| 铅球、铁饼落地区的一种画法和计算 |
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| 引用本文： | 徐云.铅球、铁饼落地区的一种画法和计算[J].玉溪师范学院学报,2007,23(8):95-96. |
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| 作者姓名： | 徐云 |
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| 作者单位： | 玉溪师范学院,体育系,云南,玉溪,653100 |
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| 摘 要： | 改进正切量法的测量和画法,不用画纵轴线和垂直纵轴的直线,只用三步测量定点就可以确定落地区两条角度线的点,从而减小了正切量法的操作步骤和实际丈量的难度,提高了画铅球、铁饼、链球投掷场地的工作效率.
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| 关 键 词： | 铅球 铁饼 投掷 落地区 |
| 文章编号： | 1009-9506(2007)08-0095-02 |
| 修稿时间： | 2007年6月27日 |
The Method of Drawing the Landing Area of Shot and Discus and Its Calculation |
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| XU Yun.The Method of Drawing the Landing Area of Shot and Discus and Its Calculation[J].Journal of Yuxi Teachers' College,2007,23(8):95-96. |
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| Authors: | XU Yun |
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| Abstract: | The paper proposes a method which can increase the work efficiency of drawing the landing area of shot,discus and weight throw by a three-step measuring procedure.The new method reduces the steps in operation and the difficulty in actual measurement by excluding the drawing of the vertical axe and upright axe. |
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| Keywords: | shot discus throw landing area |
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