广阔而深邃的海洋是绚丽多彩的,蓝朦胧紫朦胧的玻璃世界,充满了诱人的魅力,使人迷惑,令人向往。自由翱翔于海洋深处,是人类许久就有的梦想。然而直到18世纪初期,人类梦寐已久的幻想才终于成为了现实,与此同时,潜艇的出现也从此为战争舞台提供了一件神奇的道具。从诞生的那一天起,潜艇就成了世界各国密切注视的焦点,各军事强国不惜动用大量的人力、物力及财力,纷纷加入了潜艇研制发展的行列,使潜艇的性能得 The vast and deep ocean is colorful, blue hazy purple hazy glass world, full of attractive charm, confusing, desirable. Free to fly in the depths of the ocean, is a long time ago, human dreams. However, until the early 18th century, the long-awaited dream of mankind was finally realized. At the same time, the emergence of the submarine provided a fantastic prop for the war stage. From the day of its birth, the submarine has become the focus of attention of all countries in the world. The military powers have used lots of manpower, material resources and financial resources to join the ranks of submarine research and development so that the performance of submarines