• 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]1803809c51e43e0.png[/img]
    B: [img=40x17]1803809c5ab7961.png[/img]
    C: [img=71x25]1803809c625caa7.png[/img]
    D: [img=71x25]1803809c6bafde9.png[/img]