求翻译：项目要求。由于游泳与长跑各自项目的特点，维持一定的脂肪比例可以保证游泳运动员有运动效果，将有利于取得更好的成绩[]，而长跑运动员多为瘦长体形，尽可能少的体脂将有于他们取得最佳的成绩[]；是什么意思？

Project requirements. Maintain a certain proportion of fat due to the characteristics of the respective items of the swimming and long-distance running, can guarantee the swimmer motion effects, will be conducive to achieve better results [], long-distance runners and more slender body, body fat wil

project requirements. As long distance swimming and characteristics of their respective projects, and maintain a certain amount of fat you can ensure that swimmers have a movement, will be of benefit to obtain better results [] and runners for more slender body shape, as few of the body fat will hav

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Project requirements. Due to swimming and running characteristics of their respective projects, maintain a certain ratio of fats can guarantee the effect of swimming athletes in sports will help achieve better results [], and the runner for the lanky figure, as little body fat will have their best r

正在翻译，请等待...