旋转运动

Having a circular or spiral motion .Moving in a circle or spiral; gyratory.

旋转的以圆周或螺旋的方式运动；回旋的

Moving in a circle or spiral ;gyratory.

旋转的以圆周或螺旋的方式运动；回旋的

In sagittal plane,the PPSI of each level moved from inferoposterior to superoanterior with an arc trajectory.The PPSI displacements and angular variation increased from L1 to L4,however,these two decreased in L5 simultaneously.The rotation radius had no relationship with lumbar segment.Flexion-extension ROM from L1/2 to L5/S1 increased gradually.

各腰椎屈伸运动时PPSI矢状位上呈由后下至前上的弧线轨迹，L1~L4其位移量和倾斜角度逐渐增大，L5两值同时减小；其旋转半径与腰椎序列无明确关系。L1/2至L5/S1屈伸活动度逐渐增加。

The huge interarticular contact force of artificial atlanto-odontoid joint at shear and flexion/extension will bring about abrasion, mobilization and destruction of bone or prosthesis. There is potential instability in rotation after replacement operation.

人工寰齿关节置换术后前后向剪切和屈伸运动时人工寰齿关节间的接触应力过大，易造成磨损、引起假体松动和骨或假体的破坏；并且潜在旋转不稳的趋势。

Flow in pipeline and turbomachine are tested by PDPA as examples. Measurement methods are introduced, including nonspherical particle measurement, window effections, discrimination between two phases, circumferential orientation in rotated impeller, and 3D velocity measurement.

结合管流及叶轮机械中的应用实例探索PDPA在盐析两相流测量中的方法，提出测量中需解决的关键问题：非球形颗粒测量、液固两相运动区分、测量窗口、旋转叶轮测量的周向定位、两相三维速度测量等，并给出了解决措施。

The frame parts rotate radially about each other, providing relative wheel movement.

框架部分旋转径向彼此，提供相对车轮运动。

Liu JunHua;Huang ShuGong;Liu JiDongA tri-dimensional model for a jeffcot rotor was reported. A new motion equation of the torsional vibration with natural retation and the conception frequency was presented. The natural frequencies of disk rotors with different geometrical structures and were computed based on the finite-element method, and the factors affecting the coefficient of the natural frequency with rotation were analyzed.

在转轴以一定速度旋转的条件下，推导了考虑转动频率情况下的单质量盘转子扭振运动方程，通过有限元方法对不同几何结构的单质量盘转子在不同转动频率下的扭振固有频率进行了计算，对影响单质量盘转子扭振动频的动频系数进行了分析。

Based on the principle of heat mass analogy,the convective heat transfer coefficient on rolling tire surface was simulatively investigated with a linearly moving rotary disc in a wind tunnel by using naphthalene sublimation technology.

根据热质比拟的基本原理，采用萘升华技术，在风洞中利用直线运动的旋转圆盘模拟研究了滚动轮胎表面的对流换热系数。

In most models of the Sulzer weaving machine, the whole of the sley movement is completed in 105° of the crank rotation, which thus allows the sley to dwell in its back position for 255°.

在苏尔寿片梭织机的多数机型中，筘座的运动时间占主轴旋转一周角度中的105°，这就允许筘座在后方位置停顿255°。

In most models of the Sulzer weaving machine, the whole of the sley movement is completed in 105o of the crank rotation, which thus allows the sley to dwell in its back position for 255o.

在苏尔寿片梭织机的多数机型中，筘座的运动时间占主轴旋转一周角度中的105o，这就允许筘座在后方位置停顿255o。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失