This article provides available methods and series of data on drawing and test of landing sector in throwing events, Which can be used by the field officials and judges when they are working on the field.

 
  • 本文对投掷项目场地的画法及其精确度的检验,提供了行之有效的方法和系列数据,可供场地工作人员和裁判员,在临场工作中使用。
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