| 长距离跑径赛项目2组弧形起跑线画法例析 |
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| 引用本文： | 张殿亮.长距离跑径赛项目2组弧形起跑线画法例析[J].河北师范大学学报(自然科学版),1998(3). |
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| 作者姓名： | 张殿亮 |
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| 作者单位： | 河北师范大学体育系!050016，石家庄 |
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| 摘 要： | 根据田径规则对有些长距离跑径赛项目起跑的有关规定，讨论了这些径赛项目分2组同时起跑时，其2组弧形起跑线的渐开线画法和放射点连线画法．
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| 关 键 词： | 长距离跑 弧形起跑线 渐开线 切线 |
Way to Mark Two-Group Arced Startiong Lines in Long Distance Running Races |
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| Zhang Dianliang.Way to Mark Two-Group Arced Startiong Lines in Long Distance Running Races[J].Journal of Hebei Normal University,1998(3). |
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| Authors: | Zhang Dianliang |
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| Abstract: | According to the track and field rules on the starting line of some longdistance running races. Discussed ways of marking involute and linking up the points oftwo-group arced starting line,when two-group start simultaneously. |
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| Keywords: | long distance running arced starting line involute tangent line |
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