【摘要】 对铁饼在空中飞行过程中所受空气动力的作用及演变对其飞行速度、飞行性能的影响进行了较为系统的计算、分析，并在此基础上对铁饼飞行的三个速度变化特征区间进行了划分标示更多还原

【Abstract】 It is reported in the article that the aerodynamic aciton and development of the discus in the process of flying as well as the effect on the flying speed and function,have been ralative systernaticly computed.three characteristil of speed change in discus flying divided on the basis of that and it provides the theortical basis for the athlete’s scientific training.更多还原