投球手发了一个旋球(如在板球、棒球等运动中)。
The bowler gave (a) spin to the ball, eg in cricket, baseball, etc.
如果你曾经喜欢打空中曲棍球，你会爱上双旋球更是其进化的动力。
If you have ever enjoyed playing Air Hockey, you will love Dual Spin Ball even more for its evolutionary power.
球棒斜面打击高尔夫球时，常发生“后旋”，就是这种类似效应。
A similar effect occurs with golf balls, which always have "backspin" from impact with the slanted club face.
安放支架后再狭窄的治疗可应用球囊扩张、旋切术、旋磨术、切割球囊、再次安放支架和放射治疗。
The treatment of in stent restenosis includes balloon dilation, directional atherectomy, rotational atherectomy, cutting balloon, additional stent and radiation therapy.
据梯度、散度、旋度的定义，用物理的方法给出了在球坐标系中的表达式；此方法也可以推广到其它的正交曲面坐标系中。
According to the definitions of grads, divergence and rotation, the expression in spherical coordinate system is given from the point of physics.
可选配扭力检测装置，方便检测旋铆质量(球头专机)。
Can be equipped with a torque detection device to facilitate the detection of spin riveting quality (Ball special purpose machine).
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.
罗比。布拉迪为曼联打破僵局，此时主队的防线已经坚守了半个小时。他左脚任意球旋过人墙击败了门将。
Robbie Brady provided the breakthrough for United after almost half an hour of resolute defending by the home side, curling a left-footed free-kick through the wall and in via the goalkeeper's hands.
直升机配装先进的涡轴发动机、大功率传输能力的传动系统、球柔性复合材料旋翼系统以及综合化航电系统。
It is equipped with advanced turbo-shafts, a high-power drive system, a ball-bearing composite rotor system, and an integrated avionics system.
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.
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.
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