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The story takes place in 1866, when the Frenchman Aronnas, a biologist, is invited to the United States to participate in a scientific expedition. At this time, a monster appeared on the sea, causing a stir all over the world. After the expedition, the biologist was about to pack up and return to France, but received an invitation from the U.S. Department of the Navy, so he changed his course and boarded a destroyer to participate in the activity of "removing the monster from the ocean".
After a lot of hard work, the "monster" was not cleared, the destroyer was severely damaged by the "monster", and the biologist and his servants, as well as a whaler who was specially invited to the destroyer to eliminate the "monster", became prisoners of the "monster"! It turned out that the "monster" was a submarine unknown to the world, named "Nautilus".
Submarines also treat prisoners preferentially; However, in order to keep their secrets, Nemo, the captain of the submarine, never allowed them to leave. Aronax and his party had no choice but to follow the submarine around the oceans. Ten months later, the three men finally escaped under extremely treacherous circumstances, and the biologists were able to reveal the secret of the undersea to the world.
Less: The story begins in 1866, Aronax is French, he is a historian of nature, and he is studying a big monster. At that time, the purpose of this big monster was to travel the world.
After a subsequent investigation, he returned from abroad, and then he received an invitation from the United States, which has a strong maritime power. So, he climbed aboard the American ship and made the big monster disappear. Through the hardship, the big monster did not die, but Aronax and his servants, found out that it was a submarine - the "Nautilus" (Nautilus).
They stayed there for a long time, but the captain Nemo wouldn't let them leave, and they needed to keep it a secret. Ten months later, they escaped and told everyone the truth. —see charm.
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054a?Look at the caliber of the main gun, 051 is 130, 054 is 76, many countries are divided according to the caliber of the main gun, which was very common before the 50s, and now because missiles are popular, it is not very suitable.
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The main thing in modern times is missiles, and naval artillery is just an auxiliary, sometimes the target value is too small, such as a corsair, and it is too wasteful to use anti-ship missiles, so you can use naval guns at this time. **On *** is used for take-off and landing***, if you install a cover here to take the mu **, Min Wei must give up the ship-borne ***, the ship-borne *** is very useful, so it will not give up it for a naval gun.
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It's a naval gun, one is enough. Since it's stopped, why do you still install?
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Now the missiles have been fired, and the naval gun is for emergency use.
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Frigates are cheaper than destroyers, so they are more popular.
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It should be said that a country's choice of frigates or destroyers mainly depends on its own needs, in general, destroyers have a large displacement, more equipment, a long range, an offensive platform, a moderate displacement of frigates, at first mainly used for anti-submarine, but with the progress of technology, many ** systems can be made smaller, can be integrated into the frigate, modern frigates have been able to integrate anti-ship, anti-submarine, air defense tasks, a high degree of integration, less staffing, cheaper later maintenance, just ask, For less money, you can buy equipment similar to that of a destroyer, so why not. And in the future, the ships will be updated to electromagnetic guns, lasers, and the carriers needed at that time may be smaller. So the trend in the future should be miniaturized, higher-quality ships.
However, it is still the era of large ships, so large ships will still exist for a while.
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It depends on your own needs. Poor long-range ability of corvettes. Small displacement. But**cheap. Therefore, small countries like. And the great powers are preferring to develop destroyers with a greater displacement cruisers.
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