mechanical advantage

常见例句

For any machine whose input and output forces are known, its mechanical advantage can be calculated.
對於任何機器來說，如果知其輸入力和輸出力，就能求出其機械傚益。（表示條件）
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For any machine whose input force and output force are known, its mechanical advantage can be calculated.
如果機器的輸入和輸出功率已知，他的機械傚率就可以計算。
In other words, sprinters sacrifice the mechanical advantage of a long lever for the benefit of a stronger push-off.
換句話說，短跑選手犧牲了長杠杆所帶來的力學優勢從而獲得了更爲迅猛的起跑速度。

That provides mechanical advantage, and thus more force.
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