Submarines can submerge very quickly.
潜水艇能快速地潜入水中。
Modern submarines are very, very quiet.
现代潜艇的航行是悄然无声的。
Press reports say three submarines may follow.
新闻报导指出，三艘潜艇可能亦会列入订单。
They have money to buy 8 submarines ?…Wow!
他们有钱买8艘潜艇？哇！
By then, China may have 70 attack submarines.
而到那时，中国可能已经拥有了70艘攻击型潜艇。
Always on guard against shadowing submarines.
时刻警惕跟踪的潜艇。
It's a secret mission, they are after submarines.
是秘密任务，他们在追踪潜水艇。
Our navy is equipped with 8 of the latest submarines.
配备了8艘最新型号的猎潜艇。
The lake has4working submarines that people can ride.
湖中有四个潜水艇可供人们乘坐。
Submarines are already being powered by atomic energy.
潜水艇现在已经由原子能来驱动了。
With the use of submarines and other diving equipment.
借由潜艇及其他潜水设备之便。
The lake has 4 working submarines that people can ride.
湖中有四个潜水艇可供人们乘坐。
The two submarines will be known as the Prime Minister class.
这两个潜艇将以首相级著称。
Submarines cannot move or change direction that quickly.
潜水艇不能移动转向如此的快。
After all, it is impossible to project force with submarines.
毕竟用潜艇投送力量是不可能的。
A few days ago, the submarines came into contact at very low speed.
几天前，潜艇相撞时的速度非常低。
Three submarines are among other possible purchases, press reports say.
新闻界发表报告称他还可能购买包括三架潜水艇在内的其他武器。
It is of vital importance in acoustic stealth design for submarines.
声辐射的控制对于舰艇的声隐性有着重要意义。
The United States is better able to track the other side's submarines;
美国更能够对对方的舰艇进行追踪；
Underwater mechanical noise is one of the main noise sources of submarines.
机械噪声是水下航行器主要噪声源之一。
Similar problems also were found on at least three other Virginia-class submarines.
类似的问题至少在另外3艘弗吉尼亚级潜艇上也被发现过。
Recently, construction and acquisition of new submarines has begun to intensify.
最近一段时间，新型潜艇的建造和采购开始密集起来。
Recently, construction and acquisition of new submarines has begun to intensify.
最近一段时间，新型潜艇的建造和采购开始密集起来。
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