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一、引言100米短跑根据其速度变化的特点可分为加速段、保持最大速度段和速度耐力段，其中，加速段一般又分为起跑加速和途中加速两部分。各段的速度参数是教练员和运动员非常关心的技术指标，它一方面反映了运动员的技术特点；另一方面也反映运动员各专项能力上存在的问题。为
I. INTRODUCTION According to the characteristics of its speed change, the 100-meter sprint can be divided into accelerating sections to maintain the maximum speed section and the speed endurance section. The accelerating section is generally divided into two parts: starting-accelerating and accelerating on the way. The speed parameters of each section are the technical indicators that the coaches and athletes are very concerned about. On the one hand it reflects the technical characteristics of the athletes; on the other hand, it also reflects the problems existing in the athletes’ special abilities. for