查询词典 underwater

Photo Gallery: Underwater Scenes A trio of Stellar sea lions stalk the 10,000-foot (3,000-meter) summit of Bowie Seamount, their underwater feeding grounds off British Columbia, Canada.

意译：海底世界景色的图片。三重唱的星形的海狮靠近的10000英尺（ 3000米）鲍伊海山顶，他们的水下觅食加拿大不列颠哥伦比亚省。

A method was developed for the towage resistance calculation of BFP with special structures, i. e. separate the resistance into wind pressure resistance, underwater shape resistance and underwater friction resistance. The comparison between calculation and towing model test indicates that this method is accurate.

发展一种适合于计算特殊结构桶形基础平台拖航阻力的方法，分别考虑风压阻力、水下形状阻力和摩擦阻力；与平台拖航阻力模型试验结果的比较表明，该方法具有较高的精度。

The characteristics of explosive′s underwater explosion and the measure method of underwater shockwave performance are introduced.

介绍了炸药水下爆炸过程的特点及水下冲击波性能的测试方法。

The characteristics of laser employed in underwater lidar systems and detection method of these systems are taken into account in this investigation. Underwater lidar system's stealthiness is investigated quantitatively by Monte Carlo method.

采用Monte Carlo方法对激光水下探测系统的隐蔽性问题进行了计算和仿真研究，结果表明：降低探测光单脉冲能量、选择有一定环境照度的天气条件、加大水下激光探测系统载具的使用深度等手段可以极大地提高水下激光探测系统的隐蔽性与安全性。

In order to discuss the effect of combustion heat of the products on acoustic radiation characteristics, the underwater combustion for different thermite contents of pyrotechnic compositions were studied with underwater acoustics system.

为探讨燃烧产物热量对声辐射特性的影响，采用水声测试系统，实验研究了高热剂含量不同的药剂水下燃烧时的声辐射特性。

Age Group Level – Sets of 25s, increasing the number of kicks underwater on each 25; holding the determined number of kicks underwater off each wall in training sets.

低龄运动员水平——25米池训练，尝试着在每次的25米潜游中增加踢腿的次数，在之后的训练中尽量保持最多次数的踢腿。

With the test model of underwater vehicle based on undulatory propulsion of long flexible fin as background, the paper mainly studied how to construct the test system which can satisfy the static and dynamic hydrodynamic force and moment measurement requirements of diversified test models of underwater vehicle fixed at arbitrary attitude.

以基于仿生柔性长鳍波动推进的水下机器人试验模型为背景，主要研究如何构建满足多种水下机器人试验模型在各种姿态下流体动力／力矩的静态与动态测量要求的测试系统。

Underwater propulsor that imitates fishes' swimming motions (Anguilliform, Carangiform, Thunniform, etc.) by electromechanical structures or smart materials (shape memory alloy, artificial muscle) is a new type underwater propulsor.

仿鱼水下推进器即利用鱼类的游动推进机理（如身体波动式、鲹科模式、鲹科加新月形尾鳍模式等），通过机械、电子结构或功能材料（形状记忆合金、人造合成肌肉等）来模拟鱼类的游动推进动作，从而实现水下机器人和水下潜器运动的推进装置。

The construction and the principle of the two-dimensional galvanometric scanner laser scanning system are theoretically described. The methods to effectively control the laser beam with bunch expanding devices and the galvanometric scanner system in the visible range and finish the scanning of the area of the goal underwater and in the air in the underwater optical communication system.

对二维振镜激光扫描系统组成和原理进行了理论描述，讨论了在视距范围内采用扩束装置和振镜系统对激光束实施可靠控制的方案，并在水下光通信系统中有效地完成了对水下和空中运动目标所在区域的扫描。

Communication between a platform in atmosphere and a underwater target and communication from underwater to above surface platform are two nonreciprocal problems.

由于上下行信道的传输特性并非是简单可逆的，必须从两个不同的方面来分析激光在海水界面上的传输问题。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。