Nautilus in the novel is an idealized submarine. The ship is driven entirely by electricity, which comes from the combustion of submarine coal mines and is stored in photovoltaic cell stacks. The food is full of fish, seaweed, etc. So the energy and necessities of the crew come from the sea. It doesn't need land supply at all, and it can sail indefinitely at sea.
Nautilus has a huge compressed air storage cabinet inside, so it can sneak under the sea for months without floating on the sea surface. The interior of the ship is spacious and comfortable, and there are even museums and libraries. The weapon of the ship is the horn of the bow. With its high speed and solid shell, the collision angle is very severe.
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In the novel, the submarine Nautilus is the place where the story takes place. 1866, a monster suspected to be a narwhal was found at sea, and Professor Pierre Aronnax and his servant Conseil were invited to take part in the hunting. During the chase, they and the harpooner Ned Land unfortunately fell into the water and landed on the monster's back.
They found that this monster is not a narwhal, but a submarine with wonderful structure. This submarine was secretly built by Nemo on a desert island in the middle of the ocean. It has a solid hull and uses seawater to generate electricity. Finally, when the submarine arrived at the Norwegian coast, the three left without saying goodbye and returned to their hometown.
In Two Wan Li under the Sea, Nemo is a mysterious figure with unknown nationality (later confessed to be an Indian on the mysterious island). The submarine he secretly built on a desert island is not only extremely strong, but also exquisite in structure, which can use the ocean to provide energy. They live on all kinds of animals and plants in the ocean.
The captain of the submarine was also very kind to the prisoners, but Captain Nemo kept his secret and never allowed them to leave. Pierre Aronnax and his team had no choice but to follow the submarine around the ocean. During the trip, Pierre Aronnax and his party encountered countless beautiful scenery and experienced many thrilling adventures.
The seabed in their eyes is sometimes beautiful and intoxicating; Sometimes it's dangerous. It's a close call. Through a series of strange things, Pierre Aronnax finally learned that the mysterious Captain Nemo still kept in touch with the mainland, and supported the just struggle of the people on the land with millions of gold and silver in the sunken ship.
Finally, the Nautilus was bombed by a destroyer in the North Atlantic. Except for the three prisoners, everyone on the submarine was indignant and sank the destroyer with the attack angle of Nautilus. Soon, they escaped from the submarine under the extremely sinister situation that the submarine was caught in the maelstrom and were rescued by fishermen. After returning home, naturalists revealed the secrets of the sea floor they knew during their travels.
Baidu Encyclopedia-Nautilus