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。
From the Angle of mathematics the paper analyzes the moving process of shot according to the principles of biological mechanics.
抛射体的竖直方向和水平方向的运动能够分开来处理。
The vertical and horizontal motions of a projectile can be treated independently .
抛射体的竖直方向和水平方向的运动能够分开来处理。
The vertical and horizontal motions of a projectile can be treated independently.
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