Stride length and frequency are the most important elements of sprinting.
步长和步频是短跑最重要的因素.
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Limb length, strength and running technique can affect stride length.
四肢长度, 力量和跑步技术可以影响步幅.
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A video camera measured stride length and limb angles.
另有一架摄像机测量步伐的长度和腿部运动的角度.
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