Walking, as the simple sport manner, is the best exercise for body building and weight reducing acknowledged by world health organization.

走路，作为一种简单易行的的运动方式，是世界卫生组织公认的最佳运动和减肥方式。

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This paper presents space-time theory of sport, as a means to describe the Relativity said reference and reference of time and space coordinates of the mutual relations exercise.

提要：文章提出时空运动学说，以此来描述相对论所说的参考物和它的时空坐标的相互运动关系。

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Water aerobics is a very new sport in China. As a safe and effective exercise method, it is conducted in a special environment - water.

水中有氧操是我国新兴的有氧运动项目，作为一种既安全又有效的理想的体育运动方式，是在水的特殊环境中进行的。

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Verheijen, who has also studied exercise physiology and sport psychology as well as taking a one-year Science in Football course, is not without his critics.

BBC: Total fitness from the land of Total Football

There's one other crucial element that has helped draw an older crowd to the sport and has even led several businesses to use it as a corporate training exercise.

FORBES: Hypothermia for Fun and Profit

The result is not so much a ride as another thrill sport that fits perfectly with skiing, one that has excitement, challenge and even a bit of exercise.

FORBES: Try Dog Sledding - It's Awesome Winter Fun!