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- roof movement rule 顶板运动规律
- The roof control design in mined field is the key to roof control and the movement rule of roof terrane is the basis of the roof control design. 采场控顶设计是顶板管理的关键因素,而顶板岩层的运动规律是采场控顶设计的依据。
- Research to different roof conditions indicates that fractal dimension index can reflect the specific properties of roof movement more scientifically. 不同顶板条件实测结果分析表明，分数维指标能更加科学地反映顶板运动的特性。
- Three dimension visual simulation is convenient to observe and validate the movement rule of high dynamic aircraft. 三维视景仿真对直接观察、验证高动态飞行器的运动变化规律提供了极大的便利。
- This paper discusses the separation principle of toroidal swirl separat or, and deducts the movement rule of granule in the separator and the critical pa rticle diamenter. 本文探讨性的论述了旋流分离器的分离机理，推导出了颗粒在旋流器内的运动规律和被分离的临界粒径。
- This paper discusses the separation principle of toroidal swirl separat or,and deducts the movement rule of granule in the separator and the critical pa rticle diamenter. 本文探讨性的论述了旋流分离器的分离机理，推导出了颗粒在旋流器内的运动规律和被分离的临界粒径。
- The rule of roof movement of shrinkage stoping in deep inclined thick seam 大倾角厚煤层仓储式采煤法顶板活动规律
- She and I can't live under the same roof. 她和我不能住在一起。
- A new method of generating cutting speed earn is presented using bauble crank - slide mechanism Not only its manufacture accurate is high, and simple but alec its character of movement rule is advancde. 提出了一种用双重曲柄滑块机构范成加工高速凸轮的新方法，它不仅加工精度高、简便，而且具有性能优良的运动规律。
- In order to realize safety mining of mine, it is necessary to research on the overlying formation's movement rule caused by underground mining and its effect on the ground surface movement. 为实现矿山的安全开采,必须对地下开采引起的上覆岩层的移动规律及其对地表移动的影响进行研究。
- Aiming at the characteristics of mixed running of multi-speed trains on PDLs, the movement rule of cellular automaton model for traffic flow is revised on the basis of relative research. 摘要针对客运专线多速列车共线运行的特点，在有关研究的基础上，修改了交通流元胞自动机模型的运行规则，提出一种用于求解双线准移动闭塞区间多速运行系统的元胞自动机模型。
- Combining workpiece and lapping tool movement, this paper derives the movement rule and its path of workpiece relative to lapping tool.It is found that the path is a group of cycloids. 在求出工件的运动后，再结合已知的磨具运动，本文分别求出工件相对磨具的运动规律及相对运动轨迹，发现该轨迹是一组摆线。
- The stone made a dent in the roof of my car. 我的汽车顶让石头砸了个坑。
- Snipers shot at the invaders from the roof tops. 狙击手从房顶上向侵略者射击。
- The rain water drips from the roof. 雨水从屋顶滴下来。
- A new mathematical method of valve theoretic movement rules according to the cam lift data was introduced. 介绍了一种根据凸轮升程数据求取气门理论运动规律的计算方法。
- During the gale roof tiles came hurtling down. 在暴风中屋顶的瓦片哗啦啦地落了下来。
- Can you shoot up at the bird on the roof? 你能射中房顶上的那只鸟吗？
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
