查询词典 underwater

Autonomous Underwater Glider is a new AUV without external active propulsion, but relying on the internal actuator to adjust the center of gravity and the net buoyancy to generate relative motion.

0引言水下滑翔机器人是为了满足海洋环境监测与测量的需要，将浮标、潜标技术与水下机器人技术相结合，研制出的一种无外挂推进系统，依靠自身浮力驱动，沿锯齿型航迹航行的新型水下机器人。

This dissertation sets up a physical model consists of the caudal fin, the muscles and the spring, and also gives a mathematical model of the optimal compliance of the spring. Some simulations are carried out. The simulation results says that the elastic element can increase the propulsion efficiency, which provides a technical way for promoting efficiency of underwater propulsors.

本文给出了一种含有弹性元件的肌肉—弹性元件—尾鳍的物理模型，在游动能量损耗最低条件下，建立了求解弹性元件最佳柔顺系数的数学求解模型，并进行了仿真研究，研究结果验证了弹性元件对提高推进效率的作用，为提高仿鱼水下推进器的推进效率提供了一种技术上的解决途径。

Think of the amount of energy it takes to hold an inflated beach ball underwater for an extended period of time.

来想想如果将一只吹了气的海滩气球按在水面下很长时间时你要用多少力量。

A model DD- 96 - 1 antifouling paint composed mainly of Cu2O, ZnO and a model DD- 96 -2 antifouling paint composed mainly of Cu2O and high polymer of organic tin have been trial- produced, according to the process of biofouling and antifouling mechanism of installation that is set up the underwater of ocean, refering to new progressive state of internal and external antifouling coatings of research, that are directed against the problem of pipe biofouling of seaside electric power plant, The pleasing result has been obtained by quickened test in laboratory and examination of marine bleeding rate.

根据海洋污损生物对海洋水下设施的生物污损过程和防污机理，参照国内外防污涂料研究的最新进展，针对海滨电厂的管道生物污损问题，研制了以Cu2O、 ZnO为主体的DD－96－1型和以Cu2O、有机锡高聚物为主体的DD－96－2型防污涂料，经实验室内加速试验和实海渗出率测试，得到了较为满意的结果。北京理工大学！北京；100081；大连铁道学院交通运输工程分院！辽宁大连 116028；大连铁道学院交通运输工程分院！辽宁大连 116028

Officials estimated that 100 blocks in Cedar Rapids were under water forcing the evacuation of nearly 4,000 homes and leaving cars underwater on downtown streets.

官员估计， 100座，雪松急流下的水，迫使疏散了近4000民宅，造成车水下对市中心的街道上。

By traveling more than 1,200 kilometers underwater, from Vyborg, Russia, to Greifswald, Germany, bypassing the former Soviet and satellite states, it will give Russia a separate supply line to the west.

它的起讫点是俄国维堡与德国的格雷夫斯瓦尔德，海底的部分超过1200公里，绕过前苏联及其卫星国家，铺设完成后，将使俄国握有一条可向西方国家输送天然气的独立管线。

UAM? Underwater – to – Air Missile?

水下对空导弹

"It's very moving to see objects like this underwater, because it's a very peaceful environment, but these subs were designed for aggression," said the National Oceanic and Atmospheric Administration's Hans Van Tilburg, who accompanied the expedition.

&这是我非常感动地看到这样的水下物体，因为这是一个非常和平的环境，但这些潜艇被设计为侵略表示，&美国国家海洋和大气管理局的汉斯范提尔伯格，谁陪同考察。

Photo Gallery: Underwater Wrecks A diver explores the wreckage of a Japanese World War II fighter plane near the town of Rabaul in Papua New Guinea.

一名潜水员探险的残骸，日本的二战时期的战机在附近的拉包尔镇在巴布亚新几内亚。

Photo Gallery: Underwater Wrecks A submersible's lighting gives a ghostly glow to the rusted prow of the R.M.S.

深潜水器的照明提供了幽灵的灯光射向生锈的船头的RMS 泰坦尼克号。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。