semiconductors造句
Crystals may be insulators,
semiconductors, or conductors.
晶体可以是绝缘体, 半导体, 或导体.
Semiconductors containing such impurities are called p - type
semiconductors.
含有这类杂质的半导体叫做P型半导体.
It is not possible to name any particular conductivity at which metals end and
semiconductors begin.
不可能说出在哪个特定的导电系数处是金属和半导体的分界.