利用空化喷咀来产生“空泡”是获得“空化水射流”的简便方法.Some jets pulsed jet , cavitating jet, abrasive water jet are introduced.磨料水射流的性能主要取决于磨料颗粒的冲击速度.The performance of abrasive waterjet depends on the impact velocity of abrasive.在低速射流的预混火焰和扩散火焰...
In 1940 s, Tendency of affirmation and animadversion to male was deepened in Ding Lings works.在1940年代, 丁玲的作品中对男性表现出肯定与批判的双向深化的倾向.A single nod implies an affirmation.点一点头暗示肯定.The ministers issued an affirmation of their f...
Two - dimensional collisions, both elastic and inelastic, may be demonstrated on this table.在这个桌上, 可以演示二 维 的弹性和非弹性碰撞.If expectations are rigidly inelastic, we get the case of given expectations.如果结果是完全无弹性的, 就是预期的情况.This ...
Operating systems can be brought to a halt by a Trojan Horse.操作系统可能会因为木马病毒的攻击而中止。Changes were made in operating methods in an effort to increase profitability.为了提高利润，经营方式上发生了改变。The group made operating profits of £80m be...