通过文献资料和问卷调查的研究方法，对陇南地区中学生的体育锻炼动机与行为进行分析探讨。
By means of literature datum and research means, the intention of physical training of middle school student in south Gansu Province.
本文通过文献资料法、逻辑法等研究方法，结合运动训练的实践经验对游泳水中专项力量训练理论、手段与方法进行探讨与分析。
Through the literature material law, logic research methods and combining the experience of sports training in swimming water, special strength training theory and method are discussed and analyzed.
为了探讨符合人体生物力学特征的最佳起跑姿势，通过查阅大量的文献资料，对世界优秀短跑运动员的蹲踞式起跑姿势进行运动生物力学比较分析。
The paper aims to explore the best position of crouch start according to biomechanical characteristics by documentary analysis and comparative analysis of world top sprinters body positions.
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