转速测量 meaning in Chinese

tacheometry
tachometric survey

Verification regulation of tacho - torque measuring device
转矩转速测量装置检定规程
The measuring method of low rotate speed of flying missile
导弹飞行低转速测量方法研究
Study on the rotatin speed measurement system of codog power plant test rig
动力装置实验台转速测量系统的研究
The syetem of rotational speed design bases on the means of the computer breaking
基于微机并口中断方式的转速测量系统设计
The application of a single - chip computer system for controlling and testing of a direct current electrical
单片机在直流电机转速测量及控制中的应用

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