9 points, I like it very much, because this is the closest movie to my professional application, I strongly recommend it, the real version of sonar technology application. I remembered the last time I did my homework and wrote a sentence, to the effect that the submarines put into use by Germany in World War I played a great role in the war in the maritime area, causing a heavy blow to the Allies, and military demand directly stimulated the development of sonar technology. develop. Indeed, the two world wars can be said to be two nodes in the development of sonar technology, and they both occurred in the same century. War is really the first driving force for the development of sonar technology, and the power of submarines is really incredible. For every submarine in the movie, I was thinking, how much does it cost? The movie is also ok??? Tom Hanks also received a captain medal, in addition, silently make up, this angle of the ship is shaking, how dizzy???
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