结论如下：影响我国跨栏跑项目成绩的主要因素是平跑速度、训练及赛后恢复、后备力量缺乏、专项速度低等。
The result shows that the main influence factors are flat velocity, recovery after training and competition, lack of young talented athletes, low specific velocity.
在当今世界，人们祝贺获胜者，并把他们看作英雄，但如果服用兴奋剂和基因治疗继续影响着主要体育项目的成绩的话，“英雄”就失去了它的全部意义。
In today's world, winners are celebrated and treated as heroes, but if doping and gene-therapy continue to affect the outcomes of major sporting events, the word "hero" will have lost all meaning.
研究结果表明，影响我国女子七项全能成绩主要是以速度为主的跑、跳类项目。
The analysis shows events that affect Chinese women's heptathlon scores are mainly jumping and running events in which speed plays a crucial role.
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