A.0.7,0.3B.0.3,0.7C.0.5,0.2D.0.2,0.5
A.正離子B.負(fù)離子C.電子D.自由電子和空穴
A.單向?qū)щ娦?br /> B.開關(guān) C.箝位 D.整流