What exactly is realtek high definition audio driver?

What is realtek high definition audio driver?

What is kan reaitek high definition audio driver?

This is your motherboard integrated into a sound chip, that is, an integrated sound card. When you use the computer, the sound is processed by it before it can be played in the speakers or headphones in insyde airplane mode. What is it

inside airplane mode

Airplane mode

inside airplane mode

What is Flyme powered by YunOS< /p>

The system developed together with Alibaba *** is said to have improved performance and so on. There are many built-in software that can flash back to the Meizu system. What exactly is H5?

H5 is made of advertising. A scene allows users to experience interaction more intuitively through QR codes or forwarded links. The scene can include: pictures, videos, audios, maps, navigation, conference registration, product links and other modules.

What exactly is a dragonfly?

Dragonfly aliases: Maomaoding, ***yang, Dingding (called in dialects in many places in Henan), Dingdingmao (this is called Dingdingmao in some places in Sichuan) Dialect name), Mantis (called this in many places across the country, it is a dialect name), He Xi Xi (called in some dialects of Tumed Zuo Banner, Inner Mongolia Autonomous Region), Dragonfly (called in the Lujiang area of ??Anhui Province) Law).

Flying predatory insects of the suborder Anisoptera (order Odonata) and are very common near freshwater habitats around the world. Damselflies are also members of the order Odonata, but they belong to the suborder Zygoptera. There are 2,500 species of dragonflies in the suborder Asteroptera, which are characterized by a long body and two pairs of narrow membrane wings with intertwined veins. The wings are often transparent and may have color markings. Unlike damselflies, dragonflies' pairs of forewings and hindwings are not identical in shape, and their wings are spread flat when perched rather than perpendicular to each other (with the exception of very small dragonflies (Epiophlebiidae)). Dragonflies are relatively muscular and generally much more powerful flying creatures than damselflies. Dragonflies have huge, protruding eyes that take up most of their heads. Some dragonflies have a nearly 360-degree field of vision.

The general name for all insects of the order Odonata. Including the familiar dragonflies and damselflies. The adult has two pairs of narrow and transparent wings of equal length, with a network of veins, and there are often wing nevus on the front edge of the wings near the top of the wings. The chest is arranged obliquely, and the front chest is small and mobile. The legs are close to the head (to facilitate hunting). The abdomen is elongated. The compound eyes are prominent and the antennae are small and not obvious. They usually fly by ponds or rivers, and the larvae (larvae) develop in the water. Predatory, adults prey on flying insects in flight. Mosquitoes and other insects that are harmful to humans have a wide range of food habits, so they cannot be relied on to specifically control certain insect pests. No more than 5,000 species are known. Worldwide distribution. Although the structures of the adult insects are quite similar, they vary widely in size, with the wingspan ranging from the smallest 1.8 centimeters (0.7 inches) to the largest 19.3 centimeters (7.5 inches).

The larvae are called larvae, which are completely aquatic, and their shape and habits are completely different from those of adults. The morphology of various larvae varies greatly. Breathe through gills. It often remains motionless, and when prey approaches, it shoots out its prehensile lips to capture it. During the development process, it molts 8 to 15 times. The number of molts varies within and between species, and there is no pupal stage. A few minutes after hatching from the egg, the sheath-like skin of the first instar larvae splits, releasing the spider-like second instar larvae. The early instar larvae feed on aquatic animals such as small crustaceans and protozoa; The insects feed on chironomid larvae, aquatic beetles and snails, and even small fish. Wing buds appear early and grow as the number of molts increases. By the time the larvae reaches the last instar, the organs of the adult worm have formed in their bodies. After a few days, the larvae crawl out of the water, shed their skin and emerge as adults (eclosion). The largest dragonflies usually leave the water after sunset and take off before sunrise, so their emergence is rarely seen. Smaller species emerge during the day.

The newly emerged adults have soft bodies, immature reproductive systems, and undeveloped color. One of its first activities was flying out of the water. The life of an adult insect is divided into two stages: one is the pre-reproductive period, which lasts about 2 days to 2 weeks, and varies with species and climate; the other is the reproductive period, which lasts about 1 to 6 weeks. Feed actively during the first stage and stay away from water. The second stage begins with sexual maturity, when the dragonfly flies to a mating site (usually a pond or river where eggs can be laid). The males arrive a little earlier, take up a position along the river bank or water surface, and defend their territory like birds do, driving away other intruding males. If a female flies close to or into the area, the male will attempt to mate with her. A few species perform courtship displays before mating.

The mating posture is unique. The male uses the gripper at the end of the abdomen to hold the female's head or chest, and uses its movements to induce the female to bend her abdomen forward and contact the mating organ at the base of the male's abdomen. When mating, they usually land on the ground, but it can also be done in the air.

Mating lasts from seconds to hours. The female lays eggs immediately after mating, or several hours or days later. There are two ways of laying eggs. Species with well-developed ovipositors lay their eggs in or on water or plant tissue above the water. Some climb to the surface of the water to lay eggs, and can be immersed in water for more than an hour. Species without ovipositors wash their eggs from the end of the abdomen and drop them on the water. Several species lay their eggs in flowing water, but have adhesive or entangled devices that prevent them from being swept downstream. Adults need warm climate, food and water suitable for laying eggs to reproduce. Fish and birds will prey on dragonfly larvae, and the larvae will also eat each other. When fledging, they may be preyed upon by birds and small crocodiles. However, the adults are almost harmless to enemies after leaving the place where they emerge. They fly quickly and flexibly and can avoid almost all enemies. Most species in temperate areas overwinter as larvae. The larval stage can last up to 1 to 5 years, and the adult stage only lives a few weeks.

Dragonfly is one of the few insects that plays an important role in folk literature and art. Commonly known as the sting bug, or "devil's mending needle". In Japan, dragonflies are respected, and there is a magazine "Dragonfly" that publishes biological articles about dragonflies. Odonata are divided into 3 suborders: 1. Zygoptera (Zygoptera, commonly known as damselflies). Permian to present day. Small body and weak flying ability. The front and rear wings are the same shape, with a narrow wing base forming a wing stalk. The distance between the eyes is greater than the diameter of one eye. The male body has 4 tail processes, the female body has a well-developed ovipositor, and the larvae have straight tail gills. There are 17 existing families. 2. Anisoptera (commonly known as dragonflies). Jurassic to present day. It has a large body, strong flying power, and flexible flight movements. The base of the hind wings is wider than the forewings, and the eyes are close or touching. The male body has 3 tail processes, the female body has an ovipositor or not, and the larvae have rectal gills. There are 8 existing families. 3. Anisozygoptera. Mainly flourished in the Mesozoic Era. The adults are between the above two suborders, and the larvae are similar to the suborder Paroptera. There are 11 families, but only 1 family (Epiophlebiidae) is extant. 2 species, very similar, distributed in highland streams in Japan and Nepal. Another 4 suborders are extinct: Meganisoptera, Protanisoptera, Protozgoptera and Archizygoptera.

Emerging adults vary in color, ranging from metallic to pink. Compared with other insects, they are huge, with some having a wingspan of 16 centimeters (about 6 inches), and even the smallest species has a wingspan of 2 centimeters (0.8 inches). In addition to being extremely agile flying animals, they are also among the fastest insects. Dragonfly wing muscles function best when warm, and if it's cool, the insect often flaps its wings to generate heat before actually taking off. The dragonfly's speed and agility make it the most efficient flying predator. Prey is usually small flying insects, but some dragonflies often eat up to 60% of their body weight in prey.

Young dragonflies—called larvae and sometimes nymphs—are aquatic, as specialized predators in the water as adults are in the air. Functionally wingless larvae are often mottled or dull in color, matching the color of sediment or aquatic vegetation in their environment. Their protruding eyes are similar to those of adults, but they have an astonishing anatomy that adults lack. This is called a "mask" and is a fusion of the larvae's third pair of mouthparts. The mask was disproportionately large and tucked under the head and throat when not in use. At the end of the mask is a set of tooth-like clips used to catch prey such as worms, crustaceans, tadpoles, and small fish. Different types of dragonfly larvae are called burrowing worms, burrowing worms, cryptoworms or pinworms respectively - their body shape, metabolism and respiratory end depend on the micro-habitat in which they live.

Larvae from water or water Libellula forensis, a species of dragonfly. The eggs crawl out from the side, and there are three ways of producing eggs. Some species lay their eggs in plant tissue, while others adhere to the bottom layer of surface water or on top of it. Eggs may also fall from the abdomen or be washed into the water. The larvae use fins in their rectum to absorb oxygen from the water. The abdomen sucks water in and presses it out through the vagina. Water may be vigorously expelled in this manner, creating a jet-propelled method of escape. Solid waste is also discharged in this manner. As the larvae grows, it sheds its skin, and its future wings first become apparent about halfway through the larvae's growth. These elytra then rapidly enlarge during the subsequent molt. Finally, the larvae crawl out of the water (sometimes at night), undergo a final molt, and become adults, leaving behind a skin (molt) that is the shell of their former body.

Like damselflies, dragonflies display mating postures unique to the order Odonata. The male and female twist each other into a "circle" shape before transmitting sperm. Before and after mating, dragonflies often fly in tandem - the male dragonfly often uses the clip at the top of its abdomen to grab the female dragonfly behind its head and drag her flying. Some species still fly in tandem when female dragonflies are laying eggs.

Many dragonfly families have descriptive common names associated with their scientific names, including examples such as hawkeye (family Aeshnidae), petaltail (family Petaluridae), and sticktail (family Gomphidae). Numerous other names that have nothing to do with taxonomy and facts have been traditionally used for dragonflies, such as the stinging horse dragonfly. In the southern United States, dragonflies are also called "snake doctors" because people believe that dragonflies can restore sick snakes to health.

The term "devil's patchwork needle" comes from the superstition that dragonflies will sew the eyes, ears, and mouths of children - especially those who misbehave. In fact, dragonflies are not harmful to humans.

Dragonfly is a kind of colorful insect. Its four large wings are its most obvious feature. Appeared in the Devonian period. By the Carboniferous period, species with wing spans exceeding seventy centimeters appeared. They can still be seen today, and when mating, they usually fly in tandem. They lay their eggs in the water, and the larvae have gill-like structures to aid breathing.

Dragonflies (Pinyin: qingting) can be divided into the suborder Paroptera of dragonflies and the suborder Homoptera of damselflies. There are also the Japanese big green and the suborder found in India. Only two species, including one dragonfly, are classified into the suborder Interoptera. A large insect, it is also the most primitive insect in the subclass Pterozoa. The wings are well developed, and the front and rear wings are equally long and narrow; the head can be flexibly rotated, the antennae are short, the compound eyes are well developed with three single eyes, and the chewing mouthparts are powerful. The male copulatory apparatus is located on the second and third abdominal segments of the abdomen. Incomplete metamorphosis, the larvae "water flies" live in the water and hunt for food with their extremely developed faces. Both adults and larvae are carnivorous and eat many pests. There are about 5,000 species, and there are about 300 species in my country. There are three most common dragonflies: Biwei dragonflies, yellow flies and damselflies. These three kinds of dragonflies basically represent various families of the order Odonata, that is, they represent large, medium and Small dragonfly. .

Generally large in size, with long and narrow wings, membranous, and extremely clear reticular veins, it has a strong flying ability, up to 10 meters per second, and can turn around suddenly and fly straight into the sky. Sometimes it can fly backwards. When resting, the wings are spread flat on the sides or upright on the back. The forewings and hindwings are not similar, and the hindwings are often larger than the forewings. There is a wing nevus on the front edge of the wings near the top of the wings, which is rectangular or square in shape, which can maintain the regularity of the vibration of the wings and prevent breakage due to tremors. The head can rotate flexibly. It has one pair of large compound eyes, accounting for about 1/2 of the head. It is composed of more than 28,000 small eyes. It is the animal with the most "eyes" in the world. The vision is extremely sensitive, with 3 single eyes; 1 pair of thin and short antennae; chewing mouthparts. The abdomen is elongated, flat or cylindrical, with an anal appendage at the end. The legs are thin and weak, and have hooks on them to catch pests while flying in the air. Like to fly back and forth at low altitude before it rains. Male and female mating also takes place in the air. Most female insects "point" their eggs in the water multiple times while flying on the water, and some insert their abdomens into shallow water to lay eggs at the bottom. The larvae of the larvae breathe through the rectal trachea and gills in water. Generally, it needs to molt more than 11 times, and it takes 2 or more years to crawl out of the water along the aquatic plants, and then undergo the final molt to emerge as an adult. Larvae can prey on larvae or other small animals in the water, and sometimes cannibalize each other. In addition to large numbers of mosquitoes and flies, adults can also prey on butterflies, moths, bees and other pests, and are indeed beneficial insects.

Common dragonflies such as the blue-faced dragonfly are mostly distributed in Zhejiang, Sichuan and other provinces; the green dragonfly with mole is distributed in North China; the yellow dragonfly is distributed in many provinces across the country; the jade-belted dragonfly is only produced in my country and is mainly distributed in Provinces and cities such as Beijing, Jiangsu and Fujian.

Dragonflies fly very fast, some flying at speeds of up to 100 kilometers per hour, and they can stop briefly in the air. It cannot change direction flexibly when flying forward. It has to stabilize its body and then turn. The wings are still extended when resting, that is, they cannot be folded, so there must be a considerable space where they stay, mostly on branches or leaf tops.

Dragonfly mating also takes place in flight. The male dragonfly uses the hook at the end of the abdomen to grasp the female dragonfly's neck; the female dragonfly's abdomen bends forward from bottom to connect the genital pore to the sperm storage organ under the second segment of the male dragonfly's abdomen, and then the male dragonfly carries out insemination. Why do dragonflies touch the water with their tails? Dragonflies are different from many other insects. Their eggs hatch in the water, and their larvae also live in the water, so when they touch the water, they are actually laying eggs. Female dragonflies lay eggs in the water. Most of them touch the water with their tails while flying and expel the eggs. The common so-called "dragonfly touching water" is its performance when laying eggs.

[Edit this paragraph] Fifteen families of dragonflies

1. Cordulegasteridae

Giant round-hipped dragonflies

Insect species name: Anotogaster sieboldii (Selys, 1854)

Category: Cordulegasteridae

Body size : Body length 77mm, wingspan 120mm

Regional distribution: Taiwan, Beijing, etc.

Macular wide-spotted giant fly

Insect species name: Macular-spotted giant fly Chlorogomphus papilio Ris, 1927

Category: Cordulegasteridae

Shooting location: Guizhou, Guangdong, etc.

Beijing Cordulegasteridae

Insect species name: Cordulegaster pekinensis Selys, 1886

Category: Cordulegasteridae

Insect size: body length 70mm, wingspan 60mm

Regional distribution: Beijing (endemic)

2. Aeshnidae

Aeschnophlebia anisoptera Selys,1883

Greenfly with mole

Insect species name: Aeschnophlebia longistigma Selys, 1883

Category: Aeshnidae

Distribution area: Beijing Aeschnophlebia longistigma Selys, 1883

Juncea

Insect species name: Aeshna juncea (Linnaeus, 1758)

Category: Aeshnidae< /p>

Distribution area: Beijing

Mixed dragonflies

Insect species name: Aeshna mixta (Latreille, 1805)

Category: Poor Suborder Nymphidae

Brief introduction: There is a black "T" shaped stripe on the forehead

Body size: Body length 65mm, wingspan 90mm

Regional distribution: Beijing, the three northeastern provinces, Hebei, Inner Mongolia, Shanxi; Japan, Korea

Anaciaeschna jaspidea (Burmeister, 1839) Anaciaeschna jaspidea

Anaciaeschna jaspidea

Anaciaeschna jaspidea

Classification:

Anaciaeschna/Odonata

Appearance characteristics:

Abdomen length 46~52mm. The male compound eyes are light brown and cyan; the body color is brown; there is a wide yellow stripe in the center of the chest, and the yellow spot at the rear and the front spot on the front and side of the abdomen are connected to form a yellow ***. The compound eyes of the female are light brown, and the rest of the eyes are slightly the same as those of the male.

Ecological habits:

Adults appear from June to August and live near ponds, swamps and other still water environments in areas below 500 meters above sea level.

Anax guttatus (Burmeister,1839)

Anax immaculifrons Rambur,1842

Anax guttatus (Burmeister,1839) Yan Ting) Anax nigrofasciatus Oguma, 1915 Black-striped Oguma

Black-striped Oguma is a large Oguma species widely distributed in my country. The adult males will be found in streams with lush water and grass in the mountains and small in mountainous areas. The main characteristics of still pool flying are the T-shaped spots on the forehead and the bright blue markings on the abdomen. There are 2 color types for females, and there are individuals of the same color. Males have the habit of guarding and laying eggs. This species has the habit of migrating together with the spotted dragonflies of the same genus and the common biwei flies. In North China and Liaoning in the northeast, it can be seen from May to August; in South China, it can be seen from March to October. Another subspecies is now known to be found in Southeast Asia.

Anax panybeus Hagen, 1867

Anax parthenope julius (Brauer,1865)

Long Cephalaeschna patrorum Needham, 1930

Gynacantha japonica Bartenef, 1909

Gynacantha saltatrix Martin ,1909

3. Gomphidae

Anisogomphus maacki (Selys,1872) Anisogomphus maacki

Insect species name: Maacki Anisogomphus maacki (Selys,1872)

Category: Gomphidae

Body size: body length 55 mm, wingspan 60 mm

Regional distribution: Beijing

Gomphidia confluens Selys, 1878 Gomphidia confluens Selys

Insect species name: Gomphidia confluens Selys, 1878

Category: Gomphidae

Insect size: body length 55mm, wingspan 85mm

Shooting location: Hebei, Henan , Shanxi, Jiangsu, Zhejiang, Guangxi, Fujian, Taiwan, Beijing, etc.

Ictinogomphus rapax (Rambur, 1842) Ictinogomphus rapax

Ictinogomphus rapax

Ictinogomphus rapax

Classification:

Ictinogomphus / Odonata

Appearance characteristics:

< p>Abdomen length 56~59mm. This species is similar to a springfly, but the fan-shaped protrusions at the end of the male's abdomen are all black. There is not much difference between males and females, but the yellow spots on the abdomen of females are more developed.

Ecological habits:

The distribution and quantity of this species are wider than those of the spring fly. Adults appear from April to September and live in still water environments such as ponds, lakes, and swamps at low altitudes.

Ophiogomphus spinicorne Selys, 1878 Ophiogomphus spinicorne Selys

Insect species name: Ophiogomphus spinicorne Sely

Category: Gomphidae

Brief introduction: The main body appears green when flying

Body size: body length 60 mm, wingspan 70 mm

Regional distribution: Hebei, Shanxi, Gansu, Mongolia, Beijing, etc.

Siebolduis albardae Selys, 1886

Insect species name: Siebolduis albarduis albardae Selys, 1886

Category: Gomphidae

Brief introduction: Likes to land on rocks

Body size: body 80 mm long, wingspan 100 mm

Regional distribution: Beijing

Sinictinogomphus clavatus (Fabricius, 1775) Sinictinogomphus clavatus (Fabricius, 1775) Sinictinogomphus

>

Sinictinogomphus clavatus

Sinictinogomphus clavatus

Classification:

Springfly family/Odonata

Appearance characteristics:< /p>

The abdomen is 57-60 cm long. The male's chest is yellow with thin black stripes, the abdomen is black, and there are yellow spots on the back. There is a pair of fan-shaped protrusions at the end, and the inside of the protrusions is yellow. There is not much difference between males and females, but the yellow spots on the abdomen of females are more developed.

Ecological habits:

Adults appear from April to September and live in still water environments such as ponds, lakes, and swamps in low-altitude areas.

4. Macromiidae

Epophthalmia elegans (Brauer, 1865) Epophthalmia elegans

Insect species name: Epophthalmia elegans Epophthalmia elegans

Category: Macromiidae

Brief introduction: Large body, black chest with green metallic luster; transparent wings; black legs. The base has yellow spots; the abdomen is black with yellow spots, and the male has ear-like protrusions on both sides of the second abdominal segment.

Insect body size: body length 58mm, wingspan 100mm

Regional distribution: Hunan, Sichuan, Guangdong, Beijing, etc.

5. Libellulidae

p>

Acisoma panorpoides panorpoides Rambur,1842

Brachydiplax chalybea flavovittata Ris,1911

Yellow Brachythemis contaminata (Fabricius,1793)

Crocothemis servilia (Drury,1770)

Deielia phaon (Selys ,1883)

Libellula angelina Selys, 1883

Libellula depressa Linnaeus, 1758

Lyriothemis pachygastra (Selys, 1878)

Lyriothemis elegantissima Selys,1883

Orthetrum pruinosum neglectum rubriceps Selys,1876

8. Platyemididae

Copera ciliata (Selys,1863)

Copera marginipes (Rambur, 1842)

Copera tokyoensis Asahina, 1948

Platyemis foliacea Selys, 1886

9. Euphaeidae

Euphaea decorata Selys, 1853

Euphaea opaca Selys, 1853

Euphaea decorata ornata (Campion, 1924)

10. Chlorocyphidae

Rhinocypha drusilla Needham, 1930

Three-spotted drusilla Rhinocypha perforata perforata (Percheron,1835)

Rhinocypha sp.

11. Diphlebiidae

Philoganga robusta Navás,1936< /p>

12. Protoneuridae

Prodasineura autumnalis (Fraser, 1922)

13. Platystictidae

Drepanosticta zhoui Wilson & Reels, 2001

14. Lestidae

Lestes temporalis Selys,1883

15. Megapodagrionidae

< p> Pseudolestes mirabilis Kirby, 1900

Rhipidolestes sp.

[Edit this paragraph] Medicinal value of dragonfly

Tonifying the kidney and replenishing essence, clearing heat and detoxifying, relieving cough and asthma . It is mainly used to treat impotence, spermatorrhea, sore throat, cough and shortness of breath, whooping cough, etc.

[Edit this paragraph] The famous painter Qi Baishi's traditional Chinese painting "Dragonfly"

The famous painter Qi Baishi painted tens of thousands of dragonflies in his life. The dragonflies in his paintings are vivid and lifelike, giving them a vivid sense of art. Infectious Qi Baishi Chinese Painting

[Edit this paragraph] Prose "Ode to Dragonfly"

Author: Ye Yiyi

Dragonfly, without feathers, is thin and transparent Its wings are enough to equal the world with a bird of flesh and blood.

Dragonflies can soar far better than birds.

The shape of dragonflies is very similar to airplanes created by humans.

Dragonflies were once a large family, and they were the closest to us humans. They shuttled and stopped freely on the road and in the countryside. Once upon a time, it played hide-and-seek with the farm boys in front of and behind the houses in the countryside.

Dragonflies are beautiful and cute! Dragonfly is simple and hardworking!

The dragonfly Dianshui uses its trembling body to "lay eggs" with all its strength. This instinctive continuation of fertility is also so rhythmic and wonderful. That kind of painting, that kind of poetry is inadvertently created in the landscape. During this time, any words of praise will be outweighed. Therefore, we should completely vindicate the traditional "dragonfly's hint of water" interpretation.

Unfortunately, our good wishes are likely to become empty words and reflect the lack of human character!

You see, with the rapid growth of human beings, species of the dragonfly family are becoming extinct or becoming extinct one after another... How many dragonflies are left dancing with us in our living area? Above our heads, you can also see a few dragonflies hovering. Poor dragonflies, they were killed catastrophically by human pesticides. How many years can the surviving dragonflies survive in the harsh environment?

If the butterfly dies, there are still moths that are close relatives. Moths are transformed from insects, and the vitality of insects is particularly strong. Our human "pesticides" are helpless against them. It seems that more and more insects are killed. If the dragonfly dies, nothing seems to be able to replace it. As far as its wings are concerned, the dragonfly's wings are unique. The grasshopper's wings seem to be similar, but its body shape and flying skills are incomparable to those of the dragonfly. In comparison, only dragonflies can be regarded as replicas of human aircraft.

Grasshoppers and mantises hide in the grass, and their jumping and crawling times are short and short. The shape and color of their wings are also very different from those of dragonflies. The wings of the cicada are most similar to those of the dragonfly, but its stubby body is far less slender and beautiful than the dragonfly. The stinginess and ugly appearance of mosquitoes and flies should not be compared with dragonflies. Only this dragonfly flies silently against the light from morning to night, and can withstand the heat of the sun. It does not need to drink water or tea, and even the camels living in the desert have to bow to it.

The dragonfly’s mating diagram is an extremely wonderful and respectable geometric body. The arc-shaped circle formed by the intersection of the two tails has a simple mystery and mystery. The parallel wings are the most gifted to them by the Creator. A tacit combination, they can fly up and down, glide forward, and rush left and right in pairs. The airplanes imitated by us humans cannot reach such artistic heights.

Sadly, dragonflies were sacrificed honorably in batches under the influence of human beings. Its repeated poisoning and extinction are inseparable from its contribution to preying on mosquitoes. The large team of dragonflies could compete with ants, but now they are rarer than birds. It is really sad!

In my small collection cabinet, there is a precious dragonfly specimen: the tentaclefly.

The biggest feature of the tentacled dragonfly is that it has a pair of tentacles on its head. This pair of tentacles is about the same length as its body, is relatively stiff, and extends straight forward in a figure-eight shape. I clearly remember that when I caught it on the mountain, its whole body was dark red, and its entire body was smaller than the common dragonflies. It looked exactly like a "precious woman" in the dragonfly kingdom.

I have been collecting this tentacled dragon for ten years. I used pieces of paper and transparent tape to place it in a transparent plastic box. The secret is to use camphor sheets to protect its glorious image. And protected its intact body and quality. I am also a member of the human race, and I have committed deep sins against it. I have the right to write down a few words as our repentance and commemoration! What exactly is sweet potato?

Sweet potato is an edible rhizome. You can search it directly. It was once used as a staple food in the north. What exactly is Natto

Natto[1] originated in ancient China[1] and has been produced since the Qin and Han Dynasties (221 BC - 220 AD). It is made from soybeans through Natto bacteria ( Bacillus subtilis) fermented soybean products are sticky, smelly, and slightly sweet. They not only retain the nutritional value of soybeans, are rich in vitamin K2, and improve the digestion and absorption rate of protein, but more importantly, the fermentation process produces a variety of Physiologically active substances have the health-care function of dissolving fibrin in the body and regulating physiological functions. [1]

Rich in a variety of nutrients, regular consumption can prevent intestinal diseases such as constipation and diarrhea, increase bone density, and prevent osteoporosis. It can also regulate blood pressure in both directions, dissolve old thrombotic plaques, and regulate Blood lipids can eliminate fatigue and comprehensively improve human immunity. What exactly is sea buckthorn?

Sea buckthorn (Latin scientific name: hippophae rhamnoides) is a medicinal and edible plant with high edible and medicinal values. Sea buckthorn fruit is rich in nutrients. According to the measurement, its fruit It contains a variety of vitamins, fatty acids, sea buckthorn brass, superoxide and other active substances and various amino acids needed by the human body, which can supplement nutrition and improve the body's disease resistance.

Domestic companies such as Perfect have just launched health products such as sea buckthorn tea, while foreign companies such as Sibohaiberry have decades of experience specializing in the production of sea buckthorn products. Sea buckthorn is increasingly valued as a raw material for health products. What exactly is a bird's nest?

Bird's nest

Bird's nest is the nest of the seabird swiftlet. Most of them are built on the cliffs of tropical and subtropical islands. Swiftlets begin to make nests in spring. Their mouths can secrete a kind of colloidal saliva. After spitting it out, it becomes translucent and slightly shallow after being dried by the sea breeze. Yellow substance, which is the main component of bird's nest.

100 grams of dried bird's nest contains: 49.9 grams of protein, 42.9 mg of calcium, 30.6 grams of carbohydrates, 3.0 mg of phosphorus, and 4.9 mg of iron.

"Bird's nest" is a good beauty product and a high-quality tonic in traditional Chinese medicine. However, from the perspective of Western medicine nutrition, its protein content is 49.9%, which is not as good as the same amount of crab meat. The protein contained is mainly collagen. , is an incomplete protein. In this sense, the nutritional value of bird's nest is inferior to that of eggs and meat. The sugar content is 30.6%, which is not as good as the same amount of cereals; its fat content is 0.3%, which is not as good as the same amount of meat, soybeans, etc., so bird's nest does not have particularly high nutritional value.

Tips: "Delicacies from mountains and seas" have no particularly high nutritional value regardless of their amino acid content, vitamins, inorganic salts or trace elements. Moreover, during the processing and drying process, they usually go through processes such as sun-drying, drying, dehydration or pickling, during which the nutrients are constantly destroyed. Therefore, the blind pursuit of "delicacies from mountains and seas" really outweighs the gains and losses.

The key to a healthy diet is a balanced diet and a variety of foods over the long term. The human body needs dozens of nutrients every day. No one food can fully meet the needs of the human body, so the food varieties should be as diverse as possible. Nutrients promote or inhibit each other. Only by diversifying the varieties can a balanced intake of nutrients be achieved. At the same time, no matter what kind of food you eat, you must have a "moderate". Blindly eating too much food with high nutritional value will inevitably have varying degrees of adverse effects on the human body, and even endanger health.