回旋加速器的构造 一般由磁场系统（Magnet System）、高频系统（Radio Frequency System RF）、真空系统（Vacuum System）、离子源系统（Ion Sounce IS）、靶系统（Target System）...
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脉冲式磁场系统 pulsed magnetic field system
磁场开端系统 open system of magnetic field
直交电磁场型溅镀系统 ExB magnetron sputtering system
旋转磁场测距导向系统 RMRS
电磁场强测试系统 Testing System for Electromagnetic Field
弱磁场测量系统 Weak magnetic measurement system
使用直流电是产生静电磁场的另一个原因，例如铁路系统使用直流电，电视和计算机屏幕带有阴极放射管。
The use of DC electricity is another source of static electric fields, e.g. rail systems using DC, and televisions and computer screens with cathode ray tubes.
当你降低温度时，或者在某些情况下对材料施加压力或施加磁场，这个系统会试图变成一种更稳定的其他状态。
When you lower the temperature, or in some cases stress the material or impose a magnetic field, the system tries to reach a different state that is more stable.
这些电子被引入一个球形金属收集器以产生电流，继而产生线圈的磁场——这样这个系统就可以自我维持了。
These electrons get funnelled into a metal spherical receiver to produce a current, which generates the wire's magnetic field - making the system self-sustaining.
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