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。
2
The air conditioning engineer can get the probes calibrated without having to send in the hand-held instrument (e. g. at Testo Industrial Services).
空调工程师可以得到，而无需在手持式仪器(如德图工业服务)发送校准探头。
3
Meridian therapy instrument effects: according to the symptoms of different sub-meridian conditioning, green security, beauty salons to increase contacts.