文章主要对近代潜艇失事事件作了大致的回顾，并对国外援潜救生船及援潜救生手段作了介绍。
This article reviews the latter-day submarine sinkings, and introduces the overseas submarine rescue ship and submarine rescue methods.
熟练地掌握英语，能较顺利地阅读本专业英文资料，并具有处理外事事务及在专业领域的对外交往能力。
They can understand professional information in English; they are able to communicate and deal with foreign affairs.
熟练地掌握英语，能较顺利地阅读本专业英文资料，并具有处理外事事务及在专业领域的对外交往能力。
They can understand professional information in English; they are able to communicate and deal with foreign affairs.
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