给出以不同初速度和高度发球时球拍角度的参考值。
Reference values of the serving angles of the racket with different speed and height were provided.
最终向运动队提供各种条件下运动员适宜助滑距离的参考值，以达到控制助滑速度，获得最佳动作效果的目的。
According to the study, the paper gives out the referent value which benefits to the skiers controlling the speed and achieving the best result under any condition.
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