我们可以通过击打母球中心的左右来获得侧旋。
This is achieved by striking left or right of the centre of the cue-ball.
前国家女排队员崔咏梅在国内的大赛中运用跳发侧旋球技术并获得很好的效果。
Cui Yongmei-the ex-player of national women 's team has used the the new side-spin serving with jumping and achieved great results in domestic tournaments.
本文还介绍了为提高复合片钻头经济指标的钻头参数设计问题，如负前角，侧旋角等。
This paper also discusses bit parameter design to improve the economy of PDC bits, such as negative rake Angle and side rotation Angle.
这就需要用产生一个力- - -称为马格努斯效应- - -的侧旋，以引发球轨道的弯曲。
This is done by applying side spin, which generates a force - called the Magnus force - that causes the ball's trajectory to bend.
有一种技术可能是最难以成功应用的技术——即使是经验丰富的职业球员，也很难判断。这就是侧旋。
Probably the hardest technique to employ successfully - even experienced professionals have difficulty judging it - is side spin.
使用侧旋可以是出于很多种原因，但是最主要的一点就是改变母球离开目标球之后再吃库时的反射角度。
Side spin is used for a number of reasons, but its main job is to change the Angle the cue-ball bounces off the cushion after hitting the object ball.
立方直升机的这种配置让他可以像直升机一样盘旋，但在向前飞行时，主旋翼的转速可以将下来，让两侧的机翼提供升力，在此情况下，两台螺旋桨推进器就能发挥大作用了。
This means it can hover like a helicopter, but when flying forwards can reduce the speed of the main rotor and let the wings provide part of the lift. Its propellers give the extra oomph.
由于拉伸件在拉伸后边缘不平整，一般需要修边才能达到要求，通常采用侧切和旋切模实现。
Because after being drawn the edge of a drawing piece is no flattening generally it needs edge trimming to meet the demand usually realized by side-cutting and turn-cutting dies.
当热阻较大一侧有旋流存在时，离心浮力对换热器传热性能的影响更为明显。
Furthermore, the influence of centrifugal buoyancy on the performance of heat transfer was more distinct in the case of swirling flow existing in the side of larger thermal resistance.
这种温跃层的异常上升是与事件期间此区西风异常的出现和赤道两侧正的风应力旋度增大有着密切关系。
The anomalous lift of the thermoclines was associated closely with the west wind anomaly and intensification of positive wind stress curl on both sides of the equator.
执行后退侧滚时，请控制主旋翼的螺距，以便维持固定的高度及速度。
Use collective control to maintain constant altitude and speed. Fly away from the maneuver straight and level.
许多文献报道证实，庞大的侧基或具有形成氢键能力的基团有利于聚合物主链形成稳定的螺旋构象，从而赋予材料高度的旋光活性和某些特殊功能。
In general, bulky side-chain and hydrogen bonding are in favor of the formation of stable helical conformation for polymers, which endows them with high optical property and some special performance.
同时就尾旋中偏滚对尾旋侧滑的影响、绕铅垂轴旋转对坡度的影响等进行了讨论分析。
Meanwhile, it also discusses the influence of roll yaw on sideslip in spin, and of moving round plumb line on Angle of bank.
侧位相（图。2D）显示后踝撕脱骨折，表明骨折为旋前外旋完全IV度损伤。
The lateral projection (fig. 2D) demonstrates an avulsion of the posterior malleolus, documenting a completed stage IV pronation-lateral rotation injury.
结论：尺侧或桡侧腕屈肌移位重建前臂旋后功能。均能达到良好功能恢复。
Conclusion: Ulnar or radial flexor muscle of wrist transfer to reconstruct supination function of forearm all can achieve good function recovery.
设计出六种具有相同侧切刃的等耕深、等安装角圆弧母线正切面旋耕刀，并对正切刃、正切面诸参数进行了优化和选择。
Six kinds of rotary blades with same tillage depth and same mounting Angle are designed which have the circular element scoop surfaces. The parameters of the scoop surface are discussed and optimized.
旋脊上（两隔壁之间部分）可见到细小的平行线纹，它们垂直于隔壁并可达侧坡。
Some slight parallel lines visible on chomata, perpendicular to septa and possibly reaching lateral slopes.
结论：前臂完全旋后时，桡骨向远侧、背侧移位，尺骨头靠在尺骨切迹的掌侧面。
Conclusion: While the forearm in complete supination, the radius shifts to the dorsal and distal side, and the capitulum ulnae is at the volar side of the notch ulnae.
侧喷嘴倾斜角度在0度、30度、45度和60度情况下，由于井底涡旋器的旋流作用，导致井底产生旋转，对钻头喷嘴射流产生了影响，以致在45度时出现压力损失最小的情况；
When the inclination angle of a side nozzle is 0, 30,45 and 60 degrees, the eddying flow of the bottom hole vortex device will cause rotation at the bottom hole, affecting on the jet from bit nozzles.
侧喷嘴倾斜角度在0度、30度、45度和60度情况下，由于井底涡旋器的旋流作用，导致井底产生旋转，对钻头喷嘴射流产生了影响，以致在45度时出现压力损失最小的情况；
When the inclination angle of a side nozzle is 0, 30,45 and 60 degrees, the eddying flow of the bottom hole vortex device will cause rotation at the bottom hole, affecting on the jet from bit nozzles.
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