如果你打开一个模拟万用表，你会明白我的意思。
If you open up an analog multimeter you will understand what I mean.
本电参数测试仪通过AT 89 C51单片机作为核心的控制元件，由模拟开关hcf 4051构成自动量程数字万用表。
Abstrct: the electrical parameters Tester through AT89C51 SCM as a core element of control by the analog switch HCF4051 constitute a range digital multimeter.
模拟程序可以使用模拟的万用表来探测电路的参数，并即时显示电压和电流。
The app features a multimeter that you use to probe around the circuit to instantly read voltages and currents.
模拟程序可以使用模拟的万用表来探测电路的参数，并即时显示电压和电流。
The app features a multimeter that you use to probe around the circuit to instantly read voltages and currents.
应用推荐