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。
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。
United kicked off and scored almost immediately.
联队开球后旋即得分.
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
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
according to Chinese mythology, the earth once had 10 suns circling over it.
传说古时后，曾有10个太阳绕地球旋转。
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
To hit(a golf ball) in a high arc with backspin so that it does not roll very far after striking the ground.
打出旋高球将（高尔夫球）击成下旋高球，以致于球触地后不会滚得很远
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 similar effect occurs with golf balls, which always have "backspin" from impact with the slanted club face.
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 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。
A player may use top spin, back spin or side spin.
运动员可以使用上旋球、下旋球和侧旋球。
A knuckle ball.
（球手投出的）不旋转球
(in billiards)(cause a ball to)move in a curved path while spinning
（台球）（使球）侧旋前进.
a left-arm spin bowler
投左手旋转球的投球手.
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