1.
Research Of Influence Factor On Speed Of Drive Jump Serve Technique Of Chinese Male Volleyball Players;
我国男排大力跳发球速度影响因素的研究
2.
wield high-tech rackets and volley the ball at speeds up to 160 kilometres per hour.
使用的是高科技球拍，发球速度达到160每小时公里。
3.
A pitch thrown at the pitcher's maximum speed.
快速球投球手以最快速度投掷出的球
4.
fastball:a pitch thrown at the pitcher's maximum speed.
快速球:投球手以最快速度投掷出的球.
5.
A Study on the Effect of Young Basketball Players Basic Speed Quality on Professional Speed;
青少年篮球运动员基本速度对专项速度发展影响的研究
6.
The comparable speed from the Moon is only 1. 5 miles per second.
而从月球出发的相应速度只是每秒1. 5英里。
7.
Hubble discovered that the farther away a galaxy is, the greater its speed.
哈勃发现星系离地球越远，其运动速度越快。
8.
Table Tennis Players to Speed the Development of Special Training Study;
对乒乓球运动员发展专项速度训练的研究探讨
9.
The Investigation of Develop the Male Volleyball Athlete s Lower Limb Speed Strength;
发展男子排球运动员下肢速度力量的调查
10.
A Investigation of Developing the Strength of Leg Speed Strength of Male Basketball Players;
发展男子篮球运动员下肢速度力量的调查
11.
Study on Characteristics of Velocity Rhythm in Erupting Forcibly of Elite Female Athletes in China;
优秀女子铅球运动员背向滑步推铅球爆发用力阶段速度节奏特征
12.
a slow billiard table,cricket pitch,etc
能减低球的速度的台球台、板球场等
13.
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？
14.
a baseball thrown with maximum velocity.
用最大的速度投出的球。
15.
This force is responsible for the ball's acceleration.
这个力为球提供加速度。
16.
The earth turns round at a uniform rate.
地球以不变的速度旋转。
17.
The growth of the global economy is being accelerated.
全球经济增长速度加快。
18.
a baseball thrown with little velocity when the batter is expecting a fastball.
中途变了速度的投球。