绝缘体的原子把电子抓得很牢.The atoms of an insulator hold their electrons very tight.晶体可以是绝缘体, 半导体, 或导体.Crystals may be insulators, semiconductors, or conductors.由绝缘体隔开任何两个导体就组成电容器.Any two conductors separated by an insulator are sai...
带两个或更多时钟域的系统是测试过程变复杂.Systems with two or more clock domains complicate the testing process.围岩蚀变复杂, 矿体与围岩界线明显.The wall - rock alteration is complex, and the line between orebody and wall - rock is obvious....
...tickets and other printed ephemera.票据和其他短时效的印刷品a collection of postcards, tickets and other ephemera明信片、票证和其他短时效物品的收藏系列...Victorian ephemera.维多利亚时期短时效用品的收藏Large new souvenir shop, antique and ephemera sales on the gro...