rate counter meaning in English

计数率计数管

Utilizing the internal high - rate counter in fx2n series plc and simple external circuit , the author real - timely measures the hydro generator frequency with high accuracy and reliability , which meets the engineering application requirements
作者利用fx2n系列plc内部的高速计数器和简单的外围电路，实现了对机组频率的测量，满足了工程实践中对测频可靠性、实时性和精度的要求。