题目内容

应变测量中,希望灵敏度高、线性好、有温度自补偿功能,应选择( )测量转换电路。

A. 单臂半桥
B. 双臂半桥
C. 四臂全桥
D. 以上均不可以

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一应变片的电阻R=120Ω，K=2.05，用作应变为800μm/m的传感元件。(1)求△R与△R/R；(2)若电源电压Ui=3V，求电桥的非平衡输出电压U0。

什么是应变效应？

Hofstede’s _____ index measures the extent to which the less powerful members of organizations and institutions (like the family) accept and expect that power is distributed unequally.

A. value orientation
B. cultural dimensions
C. Power distance
D. Uncertainty avoidanc

_____ deals with a society’s tolerance for uncertainty and ambiguity; it ultimately refers to man’s search for Truth.

A. Cultural values
B. Power distance
Cultural dimension
D. Uncertainty avoidance