保持身体更接近地面会让你因为身体重心降低带来的更佳平衡，这会给你带来场上更多的控制以及使得你的回位更加有效。
Keeping your body closer to the ground allows for better balance because your center of gravity is lower. Not only does this give you more control, it enables you to recover more efficiently.
结果显示：（1）背越式跳高最大的优越性是弧线助跑起跳能经济实效的降低和升高身体重心，为身体重心运动方向的提早转变和垂直速度的提早积累、增大创造有利条件。
The result is :(1) the most superiority of flop is the approach can change the gravity of body, so that accumulate favorable circumstances for the transform timely of body-gravity.
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