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从数学角度对铅球出手前的运动过程进行生物力学分析，并对一般抛射运动规律进行数学逻辑分析。结果表明：铅球出手速度与出手角度间存在一定的函数变化关系；该关系是影响和制约铅球抛射运动的约束条件。这一结果提示：出手角度与出手速度间的合理配置是铅球获得最大远度的最佳出手角度。
From the perspective of mathematics, the biomechanical analysis of the movement process before shot-putting is made and the mathematical logic analysis of the general projectile movement law is made. The results show that there is a certain functional relationship between shot speed and shot angle; this relationship is a constraint that affects and restricts shot ejection motion. The results suggest that: shot angle and shooting speed reasonable allocation between the shots to get the maximum distance of the best shot angle.