“Calibratingperiod”means______.
A. 校准频率
B. 校准周期
C. 校准时间
D. 校准标准
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“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
SpeakingPartThecustomercouldn’ttryonthecoat.
A. 对
B. 错