效力 1.(效劳) render a service to; serve2.(事物所产生的有利作用) potence; effect; efficacy 这药因受潮失去了效力。 the drug has lost its potence by being exposed to moisture.3.(约束力) force; effect; avail 两种文本具有同等效力。 both texts are equally authentic
力量 1.(力气) physical strength2.(能力; 效能) ability; power; force; strength; leverage 国防力量 defense capability; 新兴力量 new emerging forces; 有生力量 effective strength; 力量对比 balance of force; relative strength; 力量悬殊 disparity in strength; 依靠群众的力量 rely on the strength of the masses; 团结就是力量。 union is strength. 知识就是力量。 knowledge is power