The relationship between the instant speed of swing during smash and the bounce distance of the ball hit were studied by experiment.
通过对击球瞬间挥拍速度与被击出的球飞出距离的关系进行了实验研究。
I can remember how, after months of being slowed down by severe depression, I tried to work out how to swing my arms when walking at normal speed.
我还记得，在经过数月的严重的抑郁症的拖累下，我如何努力使自己了解在常速下行走该怎样摆动胳膊。
More height is more speed, just waiting to happen. You can increase the energy of your swing in two separate ways.
荡得越高说明你的速度越快，这仅仅是一个过程问题。你可以通过两种不同的方法来增加你的能量。
How good sign production process, test swing carved this etching machine precision variable speed conveyor belt can, scouring the length of time can be adjusted here.
酒店标牌制作的工艺如何好，试刻这台精密摇摆蚀刻机传送带可以无级调速，冲刷时间的长短可以在这里进行调整。
The coach should attach importance to the training of pace length, arm swing, speed and stamina as well as psychological quality in order to improve their performance.
要提高中长跑的成绩，教练员要注意加强对运动员的步长训练、摆臂训练、速度耐力训练、心理素质训练和成绩测试工作。
The circular arc automatic door is reciprocating swing, and its motion parameters are the number of swing per minute, the size of the swing Angle and the travel speed ratio coefficient.
圆弧形自动门是往复摆动，其运动参数是每分钟摆动次数、摆角大小和行程速比系数等。
The results showed that there was close relation between the two variables of swing speed and the bounce distance of the ball.
结果发现，挥拍速度与球的飞出距离两变量间存在强相关关系。
Watch magnetic, magnetic wheel makes the swing frequency change, so the speed of the gear system will change, watch.
手表受磁后，磁力使得摆轮的摆动频率改变，于是齿轮系统的运转速度也就改变，手表走时发狂。
By changing the speed of grinding wheel, its swing frequency and the feed speed of shaft direction, different experiment results were got.
通过改变砂轮转速、砂轮摆动频率、轴向进给量，获得了一些具有对比性的试验结果。
Swing should depend on wave. Avoid resonance arising from the cycle of vertical shake being near the cycle of wave because of adjusting speed.
因此改变航速应视波浪情况，力求避免调整航速而带来纵摇周期与波浪周期接近出现的“共振”现象。
However all the techniques are whippings which are to speed up from the twist of the body to swing of the arms.
三种技术的挥拍动作均是由转体、拍臂依次加速的鞭打动作。
The increase of the wheel speed, the swing frequency and the feed of shaft direction conduce to improving the grinding efficiency.
增加砂轮转速、砂轮摆动和轴向进给量可以提高单晶金刚石的研磨效率。
All of the DSH Spring Energized Seals designs are suitable for low pressure occasion in the middle-low speed rotating seal and swing seal.
所有的弹簧增强密封均适用于低压状态下下的中低速旋转密封和摆动密封。
Conclusions: At the gliding stage, Cheng Xiao-yan the swing legs vertical speed too high, level speed too smell and the enlarging angel of body gravity ;
结论：程晓燕在起滑时左腿摆动垂直分速过大，水平分速相对较小，重心腾起角增大；
Conclusions: At the gliding stage, Cheng Xiao-yan the swing legs vertical speed too high, level speed too smell and the enlarging angel of body gravity ;
结论：程晓燕在起滑时左腿摆动垂直分速过大，水平分速相对较小，重心腾起角增大；
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