如果潜水员从一个高压的水下环境迅速上浮到一个低压的水下环境，他们的血液和组织中溶解的气体就会膨胀并形成气泡。
If a diver ascends too quickly from a high-pressure underwater environment to a lower-pressure one, gases dissolved in blood and tissue expand and form bubbles.
这其中大多数都是与水下环境的构图有关。
Many of these rules are related to composition in the underwater environment.
很多时候，在水下环境，很难从屏幕上观察曝光的正确性。
A lot of times, the underwater environment makes it difficult to accurately read an image's exposure on the LCD screen.
本文论述了在水下环境下如何通过视觉识别管线并给以精确的定位。
This paper discusses how to recognize and locate pipeline accurately by vision in underwater environment.
虽然还没有关于深海矿业的法律法规，但更有可能需要承担修复水下环境的义务。
So indeed are the possible obligations to repair the underwater environment: no legal codes are yet in place for deep-sea mining.
我们需要利用这种效能以保证我们的污染检测传感器可在水下环境持续工作数小时。
This efficiency is something we need to ensure that our pollution detection sensors can navigate in the underwater environment for hours on end.
这一海底活火山让科学家们明白了地球生物如何在这样的水下环境中诞生。
The active undersea volcano could allow scientists to understand how life on Earth may have originated in such underwater environments.
使用CERTIS系统无需旋转或机械活动管串，作业速度更快，相关风险更小，尤其适用于水下环境。
Because the CERTIS system is set without string rotation or mechanical movement, operations are faster and involve less risk, especially in subsea environments.
在分析水下环境压力对水下液压系统产生影响的基础上，说明了对水下设备液压系统进行压力补偿的必要性。
Based on the analysis of influence of underwater ambient pressure upon underwater hydraulic systems, the necessity of pressure compensation for underwater equipments' hydraulic systems is stated.
船只沉没通常为创造水下暗礁提供了条件，这是水肺潜水和保护海洋栖息地最理想的环境。
Ships are often sunk in order to create underwater reefs perfect for scuba diving and preserving marine habitats.
斯科特辩解说水下开采将比陆地开采带来的环境破坏少得多：由于是直接在海底作业，因此将不会有大量的岩石废料。
Dr Scott argues that underwater mining will be far less disruptive to the environment than terrestrial mining: there will be no piles of waste rock, since the deposits are directly on the sea floor.
设备的水下安装成本和影响海洋环境的担忧耽搁了潮汐能试验，但是这种局面正在改变。
The cost of putting equipment under water and concerns about the impact on the Marine environment have kept tidal experimental, but that's beginning to change.
当前，该项目专注于两种森林环境——水下森林或者叫“igapos”，和“terrafirme”或者叫干地。
Currently the project focuses on two types of forest environment - the submerged forests or "igapos" and the "terra firme", or dry land.
豪特教授解释“因为鲨鱼在水下生存并且很多都喜欢在黄昏和拂晓活动，所以他们生活在相对比较昏暗的环境中。 就如人们在夜晚利用道路反射的光线照明一样，但有一些鲨鱼在一天所有的时间内活动且他们视网膜比一些夜间出没的肉食动物和深水动物拥有更多的视锥细胞和少量的棒形细胞”。
Dr Hart explained that, because sharks live underwater and many are most active at dawn and dusk, they are operating in relatively dim light.
大多数人会在一分多钟没有空气的环境中觉得恐慌，但是自由潜水员可以在不呼吸氧气的情况下，在水下屏息更长的时间。
Mostpeople panic after a little more than a minute without air, but freedivers—divers who don't use oxygen—can hold their breath for muchlonger.
本论文以双层加筋筒形结构为主要研究模型，探讨了水下爆炸作用下潜艇结构冲击环境研究的如下几方面的问题。
In this paper, double cylinder shell structure with stiffening ribs is used to solve some problems about the impulsive environment of underwater explosion for submarine structure.
针对水下作业环境的特点，对机器人的本体结构、磁路结构、控制系统和清刷作业装置等关键技术进行了系统的研究。
According to the particular condition of underwater robot work, the paper studies the related key technology, including body structure, magnetic structure, control system, cleaning work set etc.
这是由于水下目标辐射信号和海洋环境的复杂性、多变性造成的。
This is caused by the complexity of underwater target radiated noise and the variety condition of the sea.
水下结构物在水下这种特殊的环境中会受到不同程度的损伤，其中裂缝缺陷是评估结构物安全可靠性的重要因素。
Underwater structure will be damaged in different degree in this kind of particular environment. Among these defections, the crack is the important factor to evaluate the reliability of structures.
由于水下成像环境的特殊性，水下图像成像质量较差，传统图像处理技术已无法满足应用要求。
Because of the speciality of imaging environment in the deep sea, the quality of image is poor, traditional image technique cannot meet the need of application.
本文考虑导弹水下发射时的力学环境条件，给出了导弹模型水下点火动响应测试试验原理与实现方法。
In considering the mechanical ambient for missile launching under water, principle and implementation for measuring the dynamic response of missile model under water are give out.
水下机器人主要依据声纳传感器获取海洋环境和自身的信息，自主规划模块依据声纳传感器信息发出下一个控制指令。
Underwater vehicle get the information of Marine and itself from sonar, then according to sonar information autonomous route plan component send the next control information to control component.
水下声学模型现今通常用于预报海上试验计划和设计最优声呐系统的声学环境以及预测海上声呐性能。
Underwater acoustic models are now routinely used to forecast acoustic conditions for planning at-sea experiments, designing optimized sonar systems and predicting sonar performance at sea.
其主要沉积环境是三角洲前缘和三角洲水下河道砂体以及分支河口砂坝。
The main sedimentary environment is delta front and delta underwater channel sand and branched channel mouth bar.
该研究可用于水下探测系统和水声对抗系统的环境模拟，及水声设备的性能评估。
The research result can be applied to the environment simulation of the underwater detecting system and underwater acoustic warfare system, as well as evaluation of the underwater sound equipment.
首先指出了传统冲击因子在描述水下爆炸冲击环境时的不足，主要以双层加肋圆柱壳结构为研究模型。
First the shortages of the traditional impulsive factor for describing the impulsive environment of underwater explosion are showed.
利用冲击谱描述方法，对舰船在水下爆炸载荷作用下的冲击环境进行了数值模拟和分析。
The shock environment of the ship structure under underwater explosion is simulated by the shock spectrum.
利用冲击谱描述方法，对舰船在水下爆炸载荷作用下的冲击环境进行了数值模拟和分析。
The shock environment of the ship structure under underwater explosion is simulated by the shock spectrum.
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