electric noise measurement 电噪声测量, 电干扰测量 fly-over noise measurement 飞越上空飞机噪音测量 .
双语例句
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The optical fiber transformer based on an optic electric conversion with low noise gains voltage measurement accuracy of 0.2%, satisfying the requirements of transient signal measurement.
Measuring and analyzing the vibration of electric motor provides a way to detect motor's fault and reduce noise. It is vital of importance to develop a measurement and analysis system.