他研究了摆线 、 圆外旋轮线和四点圆的旋轮线的几何性质.He investigates geometrical properties of cycloids , epicycloids, and hypocycloids.而在答应出现动力性外旋时则出现了更明显的滞后现象.Hysteresis was significantly greater when dynamic external rotation was allowed to o...
There is some trouble in the borehole. Don't leave the rig floor.井下出现复杂情况, 不要离开钻台.Borehole hydromining is a kind of safe and efficient new mining method.钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法.But the research on borehole ...
This afternoon the Palestinians held an impromptu press conference.今天下午巴勒斯坦方面临时召开了记者招待会。They demand self - autonomy for the Palestinians.巴勒斯坦人民要求 自治.Shelling a short time later killed two more Palestinians.不久之后,又有炮火击毙了两名...
Frozen fish is a very healthy convenience food.冻鱼是非常健康的方便食品。They may use a credit card for convenience.为了方便，他们可以使用信用卡。I rely too much on convenience food.我太依赖方便食品了。...
For an initial service, a 10 megahertz-wide band of frequencies will be needed.初始服务需要10兆赫宽的频带。Of an electronic circuit or device; having an output proportional to input; amplifying or attenuating all frequencies equally....
Being late is an unforgivable sin round here.迟到在这里是一种不可原谅的失礼行为。The unforgivable, reality , however, was the loss of the border provinces, Alsace and Lorrain.然而, 令人难以容忍的现实是, 丧失了阿尔萨斯和洛林这两个边界省分.I am a dark, self - destructi...