时间:2022-06-06 20:21:20
【电学】频率[周率]计。
frequency: n. 1.屡次,频仍,频繁。 2.(脉搏等的)次数,出现 ...
meter: n. 〔美国〕= metre.
A frequency meter is an electronic instrument that displays the frequency of a periodic electrical signal.
Design of a high precision frequency meter based on scm
基于单片机的高精度频率计设计
Verification regulation of heterodyne frequency meter
外差式频率计检定规程
Verification regulation of model pb - 2 decimal frequency meter
Pb - 2型十进频率仪检定规程
09999 voltmeter , ammeter , power meter , frequency meter
09999电压表电流表功率表频率表
Name : dlf current meter name : dfd frequency meter
名称: dfd频率表
Design of equal precision frequency meter based on microcontroller
基于单片机的等精度频率计设计
Verification regulation of digit industrial frequency meter model pp27
Pp27数字工频频率计试行检定规程
Tuned circuit type frequency meter
共振频率计
Design and achievement of multichannel frequency meter based on virtual instrument
多通道虚拟频率测量仪的设计与实现
Frequency meter used indicator
指针式频率表