However, momentum is always conserved in a collision, whether or not the collision is elastic.然而, 不管碰撞是不是弹性的, 在碰撞过程中动量总是守恒的.The elastic interaction between a wedge disclination dipole and an interfacial crack was investi...
Pull the elastic tight and knot the ends.把橡皮筋拽紧，两头打上结。This skirt needs some new elastic in the waist.这条裙子需要换一根松紧腰带。I stretched that piece of elastic to its fullest extent.我将这条橡皮筋拉长到最大限度....
The noise of a door slamming wakened her.砰的摔门声把她吵醒了。He wakened at 7 o'clock.他七点钟醒来。The noise of a door slamming wakened her...砰的摔门声把她吵醒了。Palmer Kirby had wakened late blooming lusts in her.巴穆·柯比在她心中煽动起一片迟暮的情欲.The bo...
国土安全部the Department of Homeland Security他们起初是以冒险家身份踏上我国国土的.They first set foot on our soil as adventures.他们决心把侵略者赶出国土.They were determined to drive the aggressors out of their soil....
Old pressings and new releases offer unlimited choice of artists and repertoire, often for modest cost.新加旧的发行提供了无限的音乐选择, 而且通常所费无几.But the system requires several successive pressings after crumbling and turning over of p...
Processes which can lead to cathodic protection, phosphating, pickling, and electroplating.阴极保护, 磷化反应, 酸洗和电镀都会造成氢脆变.Several test methods of performances of the cathodic electrophoresis paints are introduced.介绍了阴极电泳漆的几种性能...