在水下的

The Yuan class also have AIP, which allows non-nuclear boats to stay underwater for days at a time.

元级也有AIP，允许非核动力的潜艇在水下停留长达数天之久。

Thus, the sea engineering will appear the phenomenon that part is decay. It needs to carry on the partial antisepsis in the water.

这样，海上工程就会出现局部被腐蚀的现象，需要在水下进行局部防腐。

This discovery might help explain how all whales hear,researchers say.the work might also might also help scientists understand how animals are affected by underwater sonar the cuvier's beaked whales dive deep into the ocean in search of food.

研究人员称，这项发现很可能有助于解释所有鲸类的听觉问题，这项研究还可能帮助科学家进一步理解动物怎样在水下接收到声纳信号。

In theory, a diesel-electric sub, when moving slowly underwater can be very difficult to detect.

理论上，柴电潜艇在水下慢速行驶时，是极难被发现的。

But for most divers it is a way of reaching jobs that must be done under water.

但对于大多数潜水员来说，这是在水下工作的一种方式。

Though clumsy on land, Arctocephalus pusillus, or Cape fur seals, epitomize grace underwater.

南非海狗虽然在陆地上显得笨拙，但在水下却成为优雅的化身。

Though clumsy on land, Arctocephalus pusillus, or Cape fur seals, epitomize grace underwater.

虽然在陆地上显得笨拙，Arctocephalus pusillus，或者叫毛皮海狮，在水下却是优美的缩影。

In order to improve its effect,by simulating natural enviroment and irradiating the material of FRP under water with strong ultraviolet ray for a long time,the strength change in protection and nonprotection conditions is contrasted and the weather resistance is analyzed.

纤维增强复合材料在土木工程中越来越得到广泛应用，为了更好地发挥其使用效果，通过模拟自然环境，将其材料在水下经长时间强紫外线照射，对比有保护和无保护情况下的强度变化，进行耐候性分析研究，结果表明有保护情况下强度保持率有了明显提高。

Under water; e.g. at the bottom of a body of water .

在水下；例如在某个水体的底部。

Of a Cape fur seal plunging through a forest of bull kelp fronds off the coast of Gansbaai, South Africa.

虽然在陆地上显得笨拙，Arctocephalus pusillus，或者叫毛皮海狮，在水下却是优美的缩影。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。