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1. Oxford Dictionary

   mechanical advantage

   • n.
     the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine.

   • noun: mechanical advantage, plural noun: mechanical advantages

2. • 更多解釋

   mechanical advantage

   • IPA[məˌkanəkəl ədˈvan(t)ij]

   • n.
     the ratio of the force produced by a machine to the force applied to it, used in assessing the ...

   Oxford American Dictionary