题目内容

半导体的压阻效应是指半导体材料在某一方向受到作用力时,它的电阻率会发生明显的变化。()

A. 对
B. 错

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影响半导体应变片的灵敏度系数k的主要因素是导电材料几何尺寸的变化。()

A. 对
B. 错

压阻式传感器的灵敏度K比金属应变片可以大50-100倍。()

A. 对
B. 错

压阻式压力传感器的特点有:在r=0处,正应变最大。()

A. 对
B. 错

Complete the sentences with the following expressions.have an effect oncatch up onrely oncapable of1.Thanks so much! I knew I could__________you.2.The kitchen is____________catering for several hundred people.3.They need to_____________some sleep because they stayed up all night talking.4.If one person in the group hasn't prepared, it will________________the whole project.

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