电磁

The design includes three parts:The design of the contact system,the design of the system of arc-extinct and the design of electromagnetism system..

本次设计包括三部分：触头系统的设计、灭弧系统的设计、电磁系统的设计。

It was at that time that he learned from JF Dana of Columbia College the elementary facts of electromagnetism .

正是在那个时候，他从怡富德纳的哥伦比亚学院小学事实电磁。

Such magnetism, because it is electrically produced, is called electromagnetism.

这样的由于电产生的磁性，叫电磁。

He wrote his doctoral thesis on electromagnetism.

他写有关电磁的博士论文。不适合

By PIC method to analyze electron optics system, 3D electrostatic PIC model of the whole electron optics system has been established.

将粒子模拟方法引入到电子光学系统的分析研究中，使用全三维电磁软件MAFIA建立了行波管电子光学全系统的三维静电PIC模型。

Damages of electromagnetic pulse to electronic equipment, and guarantee safety ofimportant equipment.

电流对绝缘的损坏，降低电磁脉冲对电子设备的破坏，保证重要设备的安全。

We introduce the effect of thunder and lightning electromagnetic pulse on electronic information system in this paper and give protection ways of electronic information system from thunder.

介绍了雷电电磁脉冲对电子信息系统的影响，通过分析给出电子信息系统防雷方法。

Survey of basic electromagnetic phenomena: electrostatics, magnetostatics, electromagnetic properties of matter.

简单介绍电磁学的基本现象：包含静电学、静磁学、物质的电磁特性。

To thoroughly solve this problem, this paper built a 3-D finite element model of an surface wave EMAT used for the surface inspection of aluminum plates. Simulation analysis of the model revealed that transduction efficiency of the EMAT was greatly affected by EMAT parameters.

为了从根本上解决该问题，对用于铝板表面检测的电磁超声表面波换能器进行了三维有限元建模和仿真分析，发现换能器的几何参数对EMAT的换能效率具有重要影响。

The electromagnetic scattering problems with bi-anisotropic materials are studied elementally.

对双各向异性材料的电磁散射问题进行了初步的探索研究。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。