Analysing approach jump technique of volleyball spike in teaching the author advances that volleyball spike teaching is the most difficult one in volleyball basic technique.
对体育教学中排球扣球助跑起跳技术的分析，提出排球扣球教学是排球基本技术教学中最难的一项教学。
At present, the main characteristics and trend of long jump technique in the world is to obtain bigger initial swinging speed and proper swinging Angle in approach as fast as possible.
当今世界跳远技术的主要特征和发展趋势是：在尽可能快的助跑中获得较大的腾起初速度和适宜的腾起角度。
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