皮皮学，免费搜题
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【单选题】
半导体电阻在某一方向上承受应力时，它的电阻值发生显著变化，最主要是由以下哪个方面因素发生显著变化引起的。A.
电阻率
B.
几何尺寸
C.
晶面上电荷
D.
极化电荷
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皮皮学刷刷变学霸
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