Virtual instrument system used for field electrical test generally consists of signal conditioning units (SCU), data acquisition devices and a computer.
用于现场电气试验的虚拟仪器系统，一般由信号调理装置、数据采集卡和计算机组成。
A metric system of measurement units based upon the meter (length), gram (weight), second (time) and amperes (electrical current).
基于米(长度)、克(重量)、秒(时间)和安培(电流)的一种测量单位公制系统。
A metric system of measurement units based upon the meter (length), gram (weight), second (time) and amperes (electrical current).
基于米(长度)、克(重量)、秒(时间)和安培(电流)的一种测量单位公制系统。
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