在水下

In sedimentology, sediment cores collected from the depocentre of the subaqueous delta show a trend of decrease in accretion rate over the last 30 years, representing the effect of catchment sediment discharge changes.

在沉积响应上，来自长江水下三角洲沉积中心的柱状样显示出沉积速率自下而上减小的趋势，反映了流域输沙率变化的影响。

Considering of the complex geometry with appendages, the viscous flow around submergible bodies has a very important position in ship flow field research.

不含自由液面水下潜体的粘性流动，考虑其带附体的复杂几何特性，在船舶流场研究中有着重要的学术地位，另一方面，由于潜体所涉及的研究对象，如潜艇、鱼雷等均有强烈的军事背景，受到了国际船舶界的特别重视。

The experiment has tested and analyzed the velocity, DO and sludge distribution under different conditions of the rotor and submersed boosters. It also has studied the relations between the treatment effect, sludge deposit, sludge up-floating and the depth of oxidation ditch.

本试验在转刷及水下推动器不同开启状况下的流速分布、溶解氧分布和污泥分布做了测试和分析，研究了处理效果、污泥沉积、污泥上浮和氧化沟沟深之间的关系。

In the design process of this subminiature underwater robots, one practical patent and three state invent patent were applied and three of them were authorized.

本超小型水下机器人在设计过程中申请了三项国家发明专利，一项实用新型专利，其中三项已经授权，一项受理。

It could be launched from a depth of 50 m. The P-120 was powered by a solid-fuel sustainer that gave the missile high subsonic speed as it flew at an altitude of 40 m.

SS-N-9能从水下50米发射，它有一个固体火箭发动机，使它能在40米的高度以高亚音速飞行。

Fifteen gram pyrotechnic composition with thermite content of 25% can produce the sound pressure level as high as 158.8 dB, and the acoustic frequency is mainly 0~5 kHz, then the acoustic energy decreases with the increasing of thermite content.

当高热剂的含量为25%左右时效果较佳，15 g药剂水下燃烧时的声压级达到了158.8 dB，频率主要分布在5 kHz以下，但当超过25%时声能开始下降。

The effect of thermal conductive coating on the thermolysis property of LED lamps with different color and packing number used in a close under-water environment was studied.

1引言散热是限制发光二极管功率提高的主要因素之一[1~9]。特别是在一些特殊和恶劣环境，如水下密闭环境下使用的大功率LED灯具的散热尤为突出。

Based on the analysis of the AUV vector thruster control system structure, hardware and software implement strategy is given in detail.

在对水下航行器矢量推进器控制系统体系结构分析的基础上，给出了详细的硬件和软件实现策略。

The dynamics of underwater vehicles can be greatly influenced by thruster dynamics, especially at low speed.

动态水下机器人可以极大地影响了推进动力，尤其是在低速。

Located on a six meter wide ledge, the house is tied back to the upthrusting rock face that then drops 100m to the water below.

整个地基座落在六米宽的壁架上，岩石倾斜向上，下伸到水下100米处。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐