The principle, feature and adjusting method of four applied electric circuit are introduced by practical questions in the seismological and magneticobservation.
以测震和地磁在工作中遇到的实际问题为例，介绍了四例应用电路的原理、特点和调试方法。
2
The system proved its validity of subprograms which include voltage calculation module, rotor magnetic chain observation module and SVPWM output module.
并且进行编译调试，验证了电压计算、转子磁链观测以及SVPWM输出等子程序的正确性。
3
The magnetic properties of magnetic material are mainly determined by its domain structure and the way it changes, so the observation of magnetic domain is always a very important subject.