DC meter transformer 直流仪表用变压器
ac and dc meter 交直流计
DC integrating meter 直流积量计
DC watthour meter 直流瓦特小时计
DC moving coil meter 直流动圈式仪表
AC-DC digital voltage meter 交直流两用数字电压表
DC Low Resistance Meter 直流低电阻表
DC digital voltage meter 交直流两用数字电压表
dc voltage meter 直流电压表
As the frequency of the AC component increases, the DC meter response decreases, until at some frequency only the average input voltage will be displayed.
当交流分量的频率增加时，直流仪表的响应就会变得不够快，直到在某一频率时，仪表只能显示出输入电压的平均值。
This paper describes the system structure and working principle, to build a DC mV meter hardware and software system design of data acquisition and processing and display part of the process.
本文阐述了系统的结构和工作原理，搭建了直流毫伏表的硬件电路，并设计了软件系统中的数据采集处理和显示部分的程序。
DC clamp meter, portable radio and mobile phone can be used to estimate the shielding effect of MRI scanning room.
简要介绍了直流钳型电流表、收音机和手机可用来粗测磁共振扫描间屏蔽效果。
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