Speed ability is the important content of specialized ability in track and field, which directly decides or affects the athletic skill level and competitive capacity as well as wining or losing game.

快速能力是田径项目专项能力的重要内容，直接决定和影响着运动员技术水平的高低、竞争能力的强弱与比赛的胜负。

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This ability mainly includes aerobic metabolism capacity, anaerobic metabolism capacity and special strength as well as the relation between riding skill and aerobic and anaerobic capacities.

自行车运动员的专项体能主要包括有氧代谢能力、无氧代谢能力和专项力量，以及骑行技术与有氧、无氧能力的关系等。

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Ability —Ability is the capacity, either innate or due to learning and practice, to perform a certain skill to a certain level.

才能-才能是一种能力的概括，不管先天固有的或者是后天学习和实践的， 来达到一种程度的技术水平。

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