U-boat

Role and future of laser technique for U-boat communication

潜艇通信中激光技术的作用及前景

Ten years later I read night of the U-boat and able to complete the story .

十年后，我读着《潜艇之夜》，终于了解故事的始末。

The lethal power of the air in U-boat warfare was yet to come .

在潜艇战中，空军的致敌于死命的威力还没有发挥出来。

The Application Perspective of Fibre-optic Sensing Systems in Navel Ship and U-boat

光纤传感系统在海军舰潜方面的应用前景

Indeed they were sure that U-boat positions were somehow known to the enemy .

实际上，他们非常肯定，敌人一定通过某种方法，得知了U艇的位置。

There were U-boat bases on the French Atlantic coast .

那就是法国在大西洋海岸的潜艇基地。

Nor , indeed , did the U-boat Enigma need the British effort now .

实际上，德国其它的谜机现在也不需要英国的努力了。

These Offizierte signals were doubly enciphered for extra security within the U-boat itself .

这些高级信号会在潜艇内进行双重加密。

Hitler complained that this single invention was the ruin of the U-boat campaign .

希特勒抱怨说，这一发明是潜艇战遭到覆灭的原因。

It required a second stage of attack to recover these , the innermost secrets of the U-boat operations .

这些需要双重破解，才能得到最隐秘的潜艇行动机密，

The fourth wheel had been sitting in a ' neutral ' position on the U-boat machines during late 1941 .

1941年末，第四个转盘已经安装到潜艇谜机上了，只是处于挂起状态。

The next day the U-boat was towed by a trawler to Iceland .

于是在第二天，那艘潜艇被一艘渔船拖曳到冰岛。

The problem of how to contact the U-boat on Monday had been nagging at the back of his mind .

星期一如何与潜水艇联系呢？这个问题一直在他头脑中盘旋。

The U-boat packs were kept underwater and harried continually .

成群结队的德国潜艇被迫潜伏在海底，并且不断地受到困扰。

One night his ship , the Stork ; pursued and rammed a U-boat in the darkness .

某夜，他的坐舰鹳鸟号在黑夜之中追逐一艘潜艇并和它相撞。

The U-boat force , so phenomenally successful in 1917 , had not been built up in time for 1939 .

像1917年那么强大的U艇力量，在1939年时还没有组建起来。

By the end of 1943 they had taken over the U-boat work entirely , and had spare capacity for other Enigma problems .

到了1943年年底，他们已经能够完全掌控德国潜艇的行动，并且还有余力来研究其它型号的谜机。

That stream had to face the Atlantic U-boat fleet , which by October amounted to 196 in number .

他们现在要面对的是大西洋的U型潜艇，其数量已经在10月时增长到196艘了，

But however wonderfully their minds were concentrated , the fact remained that the U-boat Enigma problem now surpassed their means .

但是，尽管他们的大脑现在能够很好地集中在工作上，但现在潜艇谜机的问题仍然超出了他们的控制。

The U-boat should be so effectively countered that our convoys could count with comparative certainty on making a safe Atlantic crossing .

对敌潜水艇应采取有效措施，以使我横渡大西洋的护航队获得相当安全。

The elimination of the three german " aces " in March and the improvement in our defence measures had their effect on U-boat tactics .

三月间，我们消灭了德国的海上“王牌”，我们的防御措施也有所改进，这些对潜艇战术发生了影响。

On arrival we will circle for twenty minutes at low altitudes , looking for a U-boat . After twenty minutes we return to base .

一到目的地就低空飞行，寻找潜水艇。二十分钟后返回基地。

Once in December a U-boat cipher operator had carelessly let it move out of this position while enciphering a message ;

在12月时，有一个潜艇密码操作员在加密一条信息时，不小心启用了它，发送之后发现有误，又用正确的设定重新发送了一遍。

The danger was passed , no U-boat having sighted the ship , and the odd civilian returned safely to his country .

危险已经过去了，没有德国潜艇瞄准它，这位古怪的平民，安全地回到了自己的国家。

Although the sudden increase in U-boat successes after the collapse of France was alarming , it was not in itself a British disaster .

虽然U型潜艇在法国崩溃之后数量激增，令人恐惧，但这本身并不是英国的灾难。

But even the preparations for that invasion , let alone its success , were impossible while the Atlantic U-boat fleet was allowed to operate .

但就算美军真有个打算，在大西洋U艇遍布的情况下，也是不可能实现的。

In a split-second manoeuvre on the high seas , they boarded the U-boat and took intact its cipher material .

在极短的时间内，公海上进行紧急行动，他们登上潜艇，并且完整无缺地带走了所有密码资料。

He also was tasked with the job of countering any U-boat threat and to begin planning an invasion of the Bosporus .

他还负责对付任何U艇的威胁的工作，并开始规划的入侵博斯普鲁斯海峡。

The small ship came around the headland and steamed toward the U-boat . a Massachusetts cape extending into the Atlantic ; a popular resort area .

一只小艇绕过海岬，嘟嘟地朝潜水艇开去。麻萨诸塞州海岬，一直延伸到大西洋；一个著名胜地。

And most remarkably , even the U-boat war , pre-eminently the war of information , was no walkover for the Allies .

值得一提的是，即使在全信息的大西洋U艇战中，盟军也不是轻松获胜的。