“Precisionequipment”means_______.
A. 精密校准
B. 精密测量
C. 精密仪器
D. 精密数据
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“Calibratingperiod”means______.
A. 校准频率
B. 校准周期
C. 校准时间
D. 校准标准
“DMM”standsfor_____.
A. Digitalmultimeter
B. Digitalmeter
C. Digitalmonitor
Digitalcatcher
SpeakingPartThecustomerdidn’twanttobuyanything.
A. 对
B. 错
SpeakingPart“Pleasesuityourself”means“请自便”inChinese.
A. 对
B. 错