mechanical advantage

常见例句

For any machine whose input and output forces are known, its mechanical advantage can be calculated.
对于任何机器来说，如果知其输入力和输出力，就能求出其机械效益。（表示条件）
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For any machine whose input force and output force are known, its mechanical advantage can be calculated.
如果机器的输入和输出功率已知，他的机械效率就可以计算。
In other words, sprinters sacrifice the mechanical advantage of a long lever for the benefit of a stronger push-off.
换句话说，短跑选手牺牲了长杠杆所带来的力学优势从而获得了更为迅猛的起跑速度。

That provides mechanical advantage, and thus more force.
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