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- pure rolling motion 纯滚动
- The gentle rolling motion of the ship made me feel sleepy. 船身的轻微摇动使我昏昏欲睡。
- She could feel the rolling motion of the ship under her feet. 她能感觉到脚下船在晃动。
- Heavy platform truck should select a suitable Ackerman steering mechanism in order to ensure wheels for all axles to be under a pure rolling condition. 大型公路平板车在转向时为了保证各轴车轮处于纯滚动状态,必须选择适当的转向梯形机构。
- Their surface finish maximizes lubricant film formation and optimizes rolling motion of the rollers. 其表面光洁度最大限度地促进润滑剂油膜的形成,并使滚子的滚动最优化。
- The parametrically excited roll motion of ship in following waves can aroseunstable rolling, which is the main cause of ship capsizing. 随浪中船舶的参数激励横摇运动,可以引起船舶的不稳定横摇,是随浪中船舶倾覆的主要原因之一。
- How do you classify/measure the shaking that you feel during an earthquake? Sharp jolts versus rolling motion? 如何估测你在地震中感到的震动？靠剧烈的颠簸还是来回的晃动？
- The result can display the basic physical property of roll motion of tuned liquid dampers (TLD). 计算考虑了柯氏力和离心力，其结果能显示出TLD摇动的基本物理特征。
- The rolling motion of an unstabilized ship and a stabilized ship equipped with fin stabilizers has been predicted by use of a random wave model. 介绍了能量等分法建立随机海浪模型的方法,并利用所建立的海浪模型对未减摇船舶横摇运动和安装减摇鳍后船舶横摇运动进行了预报。
- Played in this way the cue-ball skids across the surface of the cloth and won't have time to acquire a natural rolling motion. 击打的效果是，所有的力度都转移到红球且母球停止。）
- Based on the point that the speeds of the hob and gear are equal along the tangent line at the cutting point, which is consistent with pure rolling between the pitch curves of the hob and gear, a group of equations is set up. 以切削点处工件和刀具的切向速度相等(滚刀节曲线和非圆齿轮节曲线保持相互纯滚动)基本依据，推导出坐标轴联动控制的一组方程式。
- Keyword: Zheng-He, treasure ship, Fu-Chuan, Sha-Chuan, roll motion, capsizing, resistance. 关键字:郑和，宝船，福船，沙船，横摇，翻覆，阻力
- Nonlinear rolling motion and capsizing of ships in random beam seas areinvestigated combining the Melnikov function and modern theory of stochasticdynamics. 本文应用Melnikov函数及随机动力学的现代理论和方法,研究船舶在随机横浪中的非线性横摇运动和倾覆问题。
- In water, paddles and oars have given way to screw propellers and turbines, but stability in response to the rolling motion of water is still a problem. 在水里，桨橹已经由螺旋桨和涡轮机替代，但是在涌动的水里使船只保持平稳仍然是一个问题。
- A simplified model is formulated in this paper to take account for the parametrically excited roll motion of a RoRo-ship in irregular following waves. 本文针对驶上驶下船在不规则艉浪中考虑参数激振横摇运动，推导简化之分析模式。
- It was pure luck that he was home when we called. 非常幸运，我们打电话时他在家里。
- Comparison results are given to show the effectiveness of the method in the study of randomly excited nonlinear ship roll motion. 近似解与精确解的比较结果表明：新理论在研究白噪声激励下船舶非线性横摇运动是非常有效的。
- The short answer is - a rolling motion means you are probably far away from the earthquake; a sharp jolting motion means you are probably close to the earthquake. 一个简略的回答是：来回的晃动意味着你可能离地震发生点比较远；而剧烈的颠簸感意味着你可能离地震发生点非常的近。
- A DISCUSSION ON THE CONDITION OF PURE ROLLING 关于纯滚动条件的讨论
- Design of the New Pure Rolling Circular Arc Gear 新型圆弧纯滚动啮合齿轮传动的设计
