The stabilization Angle and balance Angle of drop jerk were big, which could not easily lead to movement failure.

但是箭步挺撑铃的前后稳定角及平衡角大，稳定性高，稍有不慎也不会导致动作失败。

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The third, the balance of the research angle.

第三，研究角度的平衡。

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The condition of dynamic balance, the formula of dynamic non balance angle and the synthesis of dynamic balance peculiarity of two series bodies were presented.

对动平衡条件、动不平衡角计算公式及两串联物体动平衡合成进行了详细的理论推导。

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By changing the angle of its wings and its body, the moth was able to create a delicate balance between the thrust pushing it forwards, the drag - or air resistance - pushing against it, and the lift keeping it in the air.

BBC: Footage reveals how insects use their bodies to hover