The paper introduces a new rotating speedmeasuringmethod for diesel engine utilizing pressure pulse signal on the tube wall of high pressure fuel injection system of diesel engine.
本文介绍一种利用柴油机高压泵喷油管壁上的压力波脉冲信号，来测量柴油机转速的新方法。
2
The investigation is done to the measuringmethod of the persian blinds airflow direction and speed at the inlet of cooling wind chamber of high speed power car.
对高速列车动力车冷却风室进风口处百叶窗空气流向、流速实车测量方法进行了研究。
3
Using fluorescence intensity ratio method of analysis, detection of wide variety, wide measuring range, fast analysis speed, less sample consumption.