世界声纳技术 [转载]俄美专家称元级潜艇静音指数已低到96分贝
话笨辗士谡都补谓壤列辈垦系沤擦磊峭式庸衅唇狙碳兄以付峦衫
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具有里程碑意义的宋级潜艇
此次“令人惊讶的遭遇”主角——中国宋级常规潜艇,代号039型。1994年5月,美国侦察卫星发现一艘新型常规潜艇从武昌造船厂下水。这就是中国从上世纪80年代中期开始研制的039型潜艇。来自《简氏海军年鉴》的报道称第一艘宋级潜艇代号320,第二艘代号321,从1998年后以每年两艘的速度进行建造。估计到2010年左右,中国海军将会有20艘宋级潜艇服役。