Does the speed of the paddle influence the ball speed and direction?
挡板的速度会影响球的速度和方向吗？
His outstanding ball control at speed is just about unmatched in world football.
在当今世界足坛，他的高频率控球技术精彩绝伦、无人匹敌。
And when they have the ball they use it with high-speed passing.
当他们得球时总是选择快速的传递。
The lower is the ball the higher the speed is.
球越低，速度越快。
For this activity, two photogates measure the initial speed of the ball.
在这个实验中，两个光门测量小球的初速度。
Ball screw due to high movement efficiency, small heat, it can achieve high-speed feed (motion).
滚珠丝杠由于运动效率高、发热小，故可实现高速进给(运动)。
The speed indicator appears: stop it at the required level to throw the ball.
速度指示器启动：让它停在扔出球需要的速度水平上。
She hit the ball back with great speed.
她迅速地把球打回去。
The player hit the ball with speed.
那位选手迅速地把球击回去。
Keep one eye on the air speed and the other on the ball.
保持一只眼睛对空气的速度和其他对球。
You use speed advantage slip his opponent, scored in the last minute dead ball.
你哄骗速度优势脱节敌手，在最后时刻打进了绝杀球。
Thrust ball bearings can bear radial load, lower speed limit.
推力球轴承不能承受径向负荷，极限转速较低。
We need to speed the paddle up as the ball goes faster.
我们需要加快挡板的速度就像球加速一样。
Ball screw rod imported from Germany can assure the high speed and precision.
德国滚珠丝杆精度高，精确高，速度快。
Ball screw rod imported from Germany can assure the high speed and precision.
德国滚珠丝杆精度高，精确高，速度快。
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