本文从材料方面研究了几个因素。包括跑合过程、钢的硬度及不同组织结构，对4340钢耐磨性的影响。
This paper studied the effect of several factors from the material aspect, including running-in process, hardness and different structures on the sliding wear resistance of steel 4340.
铜牌获得者包括阿尔及利亚女子柔道，埃及男子柔道，摩洛哥女子800米跑，毛里球斯的拳击和多哥的皮划艇。
Bronze medal-winners included Algeria in women's Judo, Egypt in men's Judo, Morocco in the women's 800-meter race, Mauritius in boxing and Togo in kayaking.
即使是在你的基础训练阶段——即使你不想再参加比赛——包括在你每周至少两次的轻松跑的最后放松的、轻快的跑大概100米。
Even during your base training phases-in fact, even if you're never going to race again-include relaxed, fast runs of about 100 meters at the end of at least two easy runs each week.
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