边界清楚的岩脉, 岩床及岩瘤等都常见.Sharply outlined dikes, sills and bosses occur in numbers.岩脉总体型式可以作理论模似.The gross pattern of dikes can be duplicated theoretically.这是与小岩脉群有关的准经济意义的矿化.This is subeconomic mineralization related to minor...
力学和电磁学的这种相互关系不太明显.This interplay between mechanics and electromagnetism is less evident.我们要在电磁学中检验同样的想法.We are naturally drawn to try out the same ideas on electromagnetism.经典力学和经典电磁学不足以解释电子在原子内的运动.Classical mechanics an...
European powers no longer rule over great overseas dominions.欧洲列强不再统治大块海外领土了.They no longer rule ( over ) any overseas dominions.他们不再拥有什么海外领土了.It joined dominions of England, Ireland, and Scotland.佛吉尼亚也就加入英国, 爱尔兰和苏格兰的行列....