1·After this technique had been invented, it was only a matter of time before weapons designers adapted it for the detection of submarines.
"这项技术被发明之后，武器设计者将其改造用来探测潜艇只是时间早晚的问题。
2·Ask anyone who has ever served on one. They'll tell you there are only two types of ships in the world: submarines and targets.
去问任何曾经服过兵役的人吧。他们会告诉你世界上只有两种船：潜艇和目标。
3·In all, Navy plans to procure 30 new submarines to have formidable underwater fighting capabilities.
总之，海军计划采购30艘新型潜艇使其有强大的水下作战能力。
4·Although it has slimmed down in some areas, its activities are still very diverse, from making submarines to building roads.
虽然在一些领域走向滑坡，它所涉足的领域依旧很广，从制造潜艇到修建道路都有所涉猎。
5·Other security applications could include using neutrinos, which penetrate the Earth, to communicate with submarines.
其他安全应用包括：利用中微子穿透地球，与潜艇进行通讯。
1·A Navy official was not immediately available for comment, but the service rarely comments on the location of submarines at sea.
美国海军官员并未对此事件马上发表看法。而且，他们也很少会透露潜水艇在水中的位置。
2·Nuclear energy has an excellent safety record, but there are now over 430 commercial nuclear-power plants in the world, in some 30 countries, and over 200 nuclear-powered ships and submarines.
原子能的安全记录还是令人满意的，然而现在已经有430多个商业核电站分布在世界各地的近30个国家中，此外还有200多艘核动力船只和潜水艇。
3·Sophisticated ships, advanced sonar, robot submarines and genetic "bar-coding" techniques for fast species identification have all been brought into play.
用于物种快速鉴定的设备还包括装备精良的船舶、先进的雷达、无人潜水艇和遗传条形码技术。
4·Some are tethered to ships, whereas others are cast free to operate like miniature submarines, although these too need the services of a support vessel.
有一些与船只绑定，另一些则如同微型潜水艇一样自由航行，但也是需要有供给船只服务的。
5·The walls, desks, and ceilings of his classrooms teem with projects, from field guides on local wildlife to human-powered submarines.
他们教室里墙上，桌子上，和天花板上布满了各种作业项目，从当地野生动物的观察指南到人力潜水艇等等。