• 2022-07-28
    既有施主杂质又有受主杂质的半导体的电中性方程为:
    A: [img=106x24]1802f268b9a1495.png[/img]
    B: [img=40x17]1802f268c2b7abc.png[/img]
    C: [img=71x25]1802f268cb51525.png[/img]
    D: [img=71x25]1802f268d3fe58a.png[/img]