frequencymeter

常见例句

This paper presents the design and fabrication of a Microprocessor (AT89C51)based film resonant with the water level sensor supporting the use of the liquid level measurement frequencymeter.
本文介紹了一種以單片機(AT89C51)爲核心與薄膜諧振式水位傳感器配套使用的液位高度測量用頻率計的設計與制作。
compass needle type frequencymeter
羅磐針型頻率計
heterodyne frequencymeter
外差式頻率計