Therefore, the mechanism that the accelerating theory of pushing depends on speed change is not the sole condition of the weight's acceleration forward.
因此，单纯从获得速度改变量大小的角度来推断蹬冰加速的机制，并不是重心沿前进方向加速的唯一条件。
Therefore, the mechanism that the accelerating theory of pushing depends on speed change is not the sole condition of the weight's acceleration forward.
因此，单纯从获得速度改变量大小的角度来推断蹬冰加速的机制，并不是重心沿前进方向加速的唯一条件。
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