If you're not satisfied with the life you're living, don't just complain. Do something about it.对于现况的不满，不能只是抱怨，要有勇气作出改变。Good luck is when an opportunity comes along and you're prepared for it. 好运就是当机会...
We use boldface type for vectors.我们用黑体形式表示矢量.Design problems, which represent challenging applications of the text material, are identified by boldface problem numbers.对于本教材中较难的设计问题用黑体字题号来标志.You can specify whether the f...
战后欧洲的版图被重新划定。The map of post-war Europe was redrawn.战后，欧洲版图被重新划定。After the war the map of Europe was redrawn.在开罗不断扩张的都市版图内，这些被悉心照料的花园成了一片世外桃源。The immaculately tended gardens are an oasis in the midst of Cairo's urba...
Electric vehicle ( EV ) chargers are highly linear power system load.电动汽车 充电机是非线性的设备,工作时产生的谐波电流很高.The systematical design of the test stand for chargers is expounded.阐述了充电机试验台的系统设计,介绍了充电机性能试验的检测项目.All kinds of mobile pho...
所加的反应物可以是二烯烃 、 环二烯烃.The feed reactants can be alkadienes, cycloalkadienes.包含两个双键的化合物叫做二烯烃.Compounds containing two double bonds are called dienes.与二烯烃橡胶相比, EPDM的双键很少.Compared with diolefine rubber, EPDM has less double b...