铅球、链球、铁饼投掷区的计算及画法

Calculation and drawing of throwing field of shot put,hammer and discus

2002年《田径竞赛规则》规定,从2003年1月1日起,铅球、链球、铁饼项目落地区标志线的内沿延长线的夹角,由原来的40°改为34 92°。本文介绍了这些项目投掷区的计算步骤及其弦量方法,为广大体育工作者测绘投掷场地提供方便。

According to the rules in Track and Field Competition Regulation issued in 2002,the angle of sector line has been changed from 40 to 3492. This paper introduces calculation and measuring methods of the throwing field.