本文以笔者多年亲身从事中长跑训练的体会和经验,特别是参加第24届奥运会3000米跑赛前的训练,结合理论学习和参阅有关文献,认为根据项目供能特点.不断提高混合代谢跑量在总跑量中的比例,是提高专项成绩的有效保证。 This article is based on years of experience and experience of the author engaged in long-distance training in person, especially in the 3000 meters before the 24th Olympic Games, combined with theoretical study and refer to the relevant literature, that according to the characteristics of energy supply. In the proportion of the total run, is an effective guarantee to improve the special performance.