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 conduc...
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...
Intoxication interferes with memory and thinking, speech and coordination.醉酒影响记忆、思考、语言与协调性。Intoxication interferes with speech and coordination.醉酒会影响言语能力和协调性。The noise interferes with my work.这噪音妨碍我的工作....
As the day darkened the streetlights came on.天色渐暗，街灯亮了。And it uses energy saving energy - saving streetlights.并且他使用的是节约能源的街灯.And it uses energy - saving streetlights.并使用节能路灯....