要求对称波函数的粒子, 如兀介了, 叫做玻色子.Particles, such as pi - mesons, requiring symmetric wave functions are called bosons.在超导体中, 玻色子是在费密表面形成的束缚态电子对.In superconductors, the bosons are the pairs of bound electrons that form at the Ferm...
Traffic lights have been placed at all major intersections.所有重要的交叉路口都安装了交通信号灯。Intersections are of the greatest importance in highway design.在道路设计中,交叉口占有最重要的地位.Watch out for blind intersections.留神不易看清的道路交叉口....
For months the beleaguered garrison refused to surrender.一连数月,被围困的驻军都拒绝投降.Half the garrison are on duty.有半数卫戍部队在执勤。The invading army had massacred many of the garrison after capitulation.侵略军在守军投降后仍将多人屠杀了.The approaches t...