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- The factors of the friction between grinding balls and the internal wall of mill and the mutual sliding of balls are introduced in the modification of the motion orbit model of steel balls in the ball mill. 文中引入介质与磨机内壁摩擦及介质相互滑动的因素,对球磨机内钢球运动轨迹模型进行了修正。
- Chapter 4 sets up a ariable step size to-and-fro bill climbing? method for precise orbit designing rapidly, under the precise orbital model. 第四章建立了在精确的月球探测器轨道计算模型下的变步长折回爬山法的搜索标准轨道的方法，可快速搜索出满足要求的标准轨道。
- Keywords Zn（II）-protoporphyrin;histamine;UV-Vis;1H NMR;molecular orbit model; 锌原卟啉;组胺;紫外光谱;核磁共振;分子轨道模型;
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- I think I can get that special model for you. 我想我可以为你找到那种特别的型号。
- She has been held up as a model worker. 她被推举为模范工作者。
- He showed us a model of the new office building. 他给我们看了新办公楼的模型。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- He taught Tom how to make a model airplane. 他教汤姆作模型飞机的方法。
- John is repairing his model plane at his leisure. 约翰不慌不忙地修理着他的航模。
- The old sailor chipped out a tiny model boat. 那名老水手一点儿一点儿地削出一个小船模型。
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- free electron molecular orbital model 自由电子分子轨道模型
- The luxury model gives a smoother ride. 坐这种豪华型汽车感觉很平稳。
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- That beautiful girl is a fashion model. 那位漂亮的女孩是一位时装模特儿。
- The new model delivers speed and fuel economy. 这种新型设计能提高速度、 节约燃料。
