14.2.4 当PN结加正向电压时,称PN结处于_______;当PN结加反向电压时,称PN结处于_______;
14.2.4 当PN结加正向电压时,称PN结处于_______;当PN结加反向电压时,称PN结处于_______;
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14.2.4 当PN结加正向电压时,称PN结处于_______;当PN结加反向电压时,称PN结处于_______;