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...
Immerse the cloth in the dye for twenty minutes.把布浸在染料里20分钟.I immerse my clothes in the water.我把衣服浸在水里.Immerse the plant ( in water ) for a few minutes.把那棵植物 ( 在水里 ) 浸泡几分钟....
NOTES ON ANTS FROM ZHOUSHAN ISLANDS, ZHEJIANG ( HYMENOPTERA: FORMICIDAE )舟山群岛蚁科记述 ( 膜翅目、蚁科 )TWO NEW SPECIES OF THE ANT GENUS Prenolepis FROM YUNNAN CHINA ( Hymenoptera: Formicidae )云南平结蚁属二新种 ( 膜翅目: 蚁科 )...
起初好玩的事很快就变成了艰苦的工作。What started out as fun quickly became hard work.在交通拥堵的雨天里踩刹车绝不是什么好玩的事。Braking in the wet in heavy traffic is never fun.来吧,很好玩的。Go on, it's fun....