摆动

"The cylinder of an internal-combustion engine is closed at one end by a plate called the head and open at the other end to permit free oscillation of the connecting rod, which joins the piston to the crankshaft."

内燃机的汽缸在一端用盖封住，叫做头，另一端敞开，使连接活塞和曲轴的连杆能自由摆动。

Difficulty in sleep also resulted from free-floating which allows the head and hands to move about at random.

自由漂浮令人的头和手胡乱摆动，因此也能导致睡眠困难。

JumpSnap. It has two handles with two blue free-swinging plastic balls.

它有两个处理与两个蓝色的自由摆动的塑料球。

The dog's tail moved from side to side.

那条狗的尾巴从左右摆动。

The variations of fronts in the southeast Indian Ocean are analyzed in eddy kinetic energy and thermohaline properties, and the frontogenesis of oceanic fronts is also discussed preliminarily.

极锋区的东向输送流幅宽达4.3个纬度，大于SAF的输送，其间有多个速度峰值，反映了该断面的PF2和PF1具有较大的南北摆动幅度，甚至可能分裂为多个锋。

The high density printing and dyeing, the "TB/TA、TB/TH swing the filler freely" applied in the craft of anaerobic hydrolysis in the chemical engineering waste water, this research for the effectiveness of filler optimization was through small and middle sized testing. The fruitage of the study could be used to the selection of filler and application of practical significance in guiding the project.

高浓度印染、化工废水厌氧水解工艺中所应用的"TB/TA、TB/TH自由摆动填料"，通过小试、中试实验对多种填料进行效能优化研究，该实验结果对填料的选型及实际工程，特别是在成分复杂多变的印染、化工废水处理工程中的应用具有重要的指导意义。

This technique was used in the experiment system of gantry crane and can effectively restrain the residual oscillations of payload.

将这一控制技术用于桥式起重机实验系统中，可以有效抑制载荷的残留摆动。

Based on the multi-body dynamic theory,the generalized coordinates that include the jib rotating,the jib elastic deformation and the payload pendulum are used to form the crane multi-body dynamic model.

基于柔性多体动力学理论，选取包含吊臂转动，吊重摆动及吊臂弹性变形的广义坐标，构建了起重机的多体动力学模型。

The location of the North geographic pole wanders in a small erratic circle-like path called the Chandler wobble.

北地极的位置以一个被称作张德勒摆动的小的、无规律的、似圆形的路径漂移。

This research presented a new guide mechanism and belt driving theory of the abrasive band polishing for inner aperture, satisfied the driving requirement of abrasive belt leading smoothly into grinding area, realized the band grinding and band polishing of inner aperture, developed a abrasive band polishing headstock for of the ball track of ball bearing and roller bearing individually adopting a way of curvature concave oscillating and vibrating, researched the process regular and fundamental process method and parameter of abrasive band polishing of ball track. The results of experiments and tests showed that the surface roughness of ball track by abrasive band polishing can reach Ra0.02μm, and the original geometric cross section shape precision of ball track can be kept.

本项研究提出了砂带研抛内孔的新型导引机构和传带原理，满足了砂带平稳导入内孔磨削区的传动要求，实现了内孔的砂带磨削和研抛；研制了采用弧面摆动和振动方式分别用于球轴承滚道和滚柱轴承滚道研抛的砂带研抛头架；研究了轴承滚道砂带研抛的工艺规律和基本工艺方法、工艺参数；实验测试结果，轴承滚道砂带研抛的表面粗糙度达Ra0.02μm，研抛过程保持了滚道的原始几何截面形状精度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。