Applying the principle of mechanics,this essay analyses the middle long distance shooting in basketball and describes the importance of ball back spinning in the shooting so as to improve shooting in basketball teaching and training.
文章运用力学原理 ,针对球的后旋在中远距离投篮中出现的各种情况进行分析 ,旨在阐述球的后旋在中远距离投篮中的重要性 ,以引起有关人士的重视 ,为在投篮教学和训练中注重球的后旋问题提供理论依据。
A Probe into the Use of Ball Back Spinning in Middle-Long Distance Shooting;
球的后旋对中远距离投篮作用的探讨
Forward rotation imparted to a ball by a stroke, as in tennis.
上旋击球后产生的球向前旋转，例如在网球中
United kicked off and scored almost immediately.
联队开球后旋即得分.
spin (usually of a moving ball) that retards or reverses the forward motion.
延缓（球的）向前运动或使其向后退的旋转。
The Research on NC Grinding Rake & Flank Faces of Ball-end Cutters with Spiral Shape Major Cutting Edge
数控磨削螺旋刃球头立铣刀前后刀面的研究
A knuckle ball.
（球手投出的）不旋转球
a left-arm spin bowler
投左手旋转球的投球手.
A slice is a curving shot from left to right with severesidespin.
右曲球是一种带有顺时针旋转，然后向右弯曲的击球。
He served with so much right English toward the end of the game that, as far as the opponent was concerned, it was hard put to it to counterattack.
在比赛最后阶段，他的右旋球发球是如此之旋，他的对手变得束手无策。
He used so much back-english, the ball almost died when it hit Denton's half of the table.
他发的后旋球旋转极为强劲，当球弹到丹顿那边桌面上时，几乎停了下来。
Ronald seems to know all kinds of serve techniques-the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss serves.
所有的发球技巧，罗纳德似乎都懂-----反手上旋球和下旋球、手上旋球和下旋球以及高抛球。
Backspin: Reverse spin imparted by striking the ball with a downward movement of the racket.
下旋：向下挥动球拍击出的旋转球，使球回转。
To hit a golf ball in a high arc with backspin so that it does not roll very far after striking the ground.
击下旋高球击下旋高球，使球触地后不会滚开太远
a stroke (in tennis or badminton or squash) that puts reverse spin on the ball.
（在网球或羽毛球或壁球）使球反过来旋转的击球。
The Kinematic Analysis On Spinning And Delivery Technique Of Some Domestic Female Elite Hammer Throwers;
中外优秀女子链球运动员旋转及最后用力技术的比较分析
the revolution of the earth on its axis round the sun
地球以太阳为轴的旋转.
a baseball pitch thrown with little speed or spin.
投手投出的不旋转球。
The earth turns round at a uniform rate.
地球以不变的速度旋转。