? Dew: The word rain falls on the road, and rain moistens the earth, which is rain dew and dew. It is described as beneficial, beneficial and moist. It will make people feel that this person has a soft personality and delicate thoughts.
dew refers to liquid water in which water vapor in the air condenses on ground objects. In the evening or at night, due to radiation cooling, the air layer close to the ground surface also cools down. When the temperature drops below the dew point, that is, when the water vapor content in the air is supersaturated, there will be water vapor condensation on the surface of the ground or ground object. If the dew point temperature at this time is above ℃, tiny water droplets will appear on the ground or ground objects, which is called dew.
precipitation
there is little dew precipitation. Dew at night in temperate regions is equivalent to .1-.3mm precipitation layer, but it is considerable in many tropical regions. Dew at night can be equivalent to 3 mm precipitation, with an average of about 1 mm..
Although the amount of dew is limited, it is beneficial to plants, especially in dry areas and dry and hot weather. Dew at night often has the function of maintaining plant life. For example, in the deserts of Egypt and Arabia, although there is no rain for several months, plants can still rely on dew to grow and develop.