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研制了一种可精确测量和实时显示旋转机械转轴临界转速的测量装置 ,介绍了测量原理以及硬件电路、测量软件的设计方法
A measuring device that can accurately measure and real-time display the critical rotating speed of rotating machinery shaft is developed. The measuring principle, the hardware circuit and the design method of measuring software are introduced