月球绕地球运行的轨道不是浑圆的, 而是椭圆的.The moon doesn't describe a circle round the earth, but rather an ellipse.本文介绍了一种鲜为人知的用直径距离描绘椭圆的方法.This paper introduces a rarely seen method of describing with diametral distance.叶子的形状;椭圆的形状....
The electrolyzer system calls for yield quick returns and small investment.运行结果表明选择该电槽系统实现了见效快、投资少的目标.The maintenance of bipolar ion - exchange membrane electrolyzer during its operation is discussed.论述了复极式离子膜电解槽运行过程中的维护...
电枢是旋转磁场交流发电机的不动部分 ( 定子 ).It is the stationary part ( stator ) in a revolving - field generator.缠绕着线圈的铁心叫做电枢.The iron with the wound coils on it is called an armature.在电枢绕组的各条边所感应的电压是交变的.The voltage induced in the terms o...
He was a compulsive gambler and often heavily in debt.他嗜赌成癖，常常债台高筑。The BBC series Hot Chefs is compulsive viewing.英国广播公司的系列节目“当红厨师”是个让人一看就上瘾的节目。These chilling heroines make Hart's books compulsive reading.这些令人毛骨悚然的女...
Use shells to decorate boxes, trays, mirrors or even pots.用贝壳来装点盒子、托盘、镜子甚至是花盆。The work interposes a glass plate between two large circular mirrors.该艺术品在两面圆形大镜子中间插入一块玻璃板。He hadn't troubled himself to check his mirror...
In epistemology, knowability and agnosticism have been the focus of debate of philosophers.在认识论领域, 可知论和不可知论一直是专家学者们争论的焦点.According to Theory of Reflection and Knowability, News communicators can promise the news to be tr...