With the synchronous spindle the spindle rotation and the feed motion are synchronized by an electronicregulation according to the lead of thread.
根据螺纹导程，电力控制，主轴旋转和进给运动都是同步的。
2
With the emergence of the high voltage power electronic devices, the technique of dynamic power quality regulation is an effective way to solve the above problems.
随着高压大功率开关器件的出现，基于电力电子技术的动态电能质量调节技术已成为解决上述问题的有效手段。
3
Whereas, since the current electronic prescription dose not still conform the new Prescription Administrative Regulation, so there are some problems have to be solved urgently.