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The network-torpedo can realize real time identification, pursuit and attack on target with the information obtained effectively from battlefield at any time. We put emphasis on the functions and principles of several key technologies, including acoustic communication system, satellite navigation location system and power system. Finally, we propose some applied ideas for the network-torpedo.

展示了网络鱼雷以其能随时高效获取战场环境信息来实现对目标的实时识别、跟踪和攻击，并着重从功能及原理上对水声通信系统、卫星导航定位系统及动力系统这几项关键技术进行了较详细的论述，最后提出了网络鱼雷的作战应用设想，展望了其应用前景。

Key words: coupled structure-acoustic systems; acoustic pressure; optimization; finite element method

以一矩形板结构一立方体声场耦合系统为实例，得到了优化的结构厚度分布。

By analyzing torpedo′s working environment and mode,and its data structure,the possibility to improve target detection performance of acoustic homing torpedo under reverberation background with STAP method was discussed,and the solutions to the key steps and the basic flow of reverberation suppression using STAP were given.

介绍了全维和降维空时自适应处理的基本原理，通过分析鱼雷工作环境、工作方式以及数据组织方式，讨论了采用STAP方法提高声自导鱼雷混响背景下目标检测性能的可能性，给出了关键步骤的解决方案和STAP抗混响的基本流程。

The ability of long-distance searching goals of an acoustic homing torpedo can be improved greatly by using towed linear array , and the power of DOAs tracking of the torpedo is the key factor that influences the result in a war.

使用拖曳线列阵可以有效提高自导鱼雷远程搜索目标的能力，而能否精确跟踪目标方位将直接影响到鱼雷的实战效果。

In this thesis, several key technologies of passive acoustic direction are studied.

本文针对被动声探测中若干关键技术，进行了深入的研究。

And the acoustical feedback of the secondary source is one of the key problems that affect noise reduction in ducts.

而次源声反馈问题一直是影响管道有源消声系统的关键问题之一。

How to analyze and process the acquired data is the key to solve the problem.

如何对拥有的数据进行分析处理，是解决此问题的关键。

The acquirement of incomplete knowledge is key to adapt variable incomplete information environment.

不完全知识的获取是适应非全息环境变化的关键。

The key action is set code: To prevent a malicious virus, shut down antivirus software.

关键操作设置验证码：防止病毒恶意关闭杀毒软件。

His political action committee, GOPAC, published a pamphlet entitled Language: A Key Mechanism of Control.

他的政治行动委员会——大老党行动委员会——出版了一本题为《语言：控制机构的一把钥匙》的宣传小册子。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。