vs.

    efficacy 对比 efficiency
    分析 词典对比 组词对比
    (1).中国译典 efficacy efficiency
    n.
    效能;灵验;
    扩展解释:n.
    1. 效力,功效[U]
    【医学】 【中医】
    疗效,功效,作用
    n.
    ①效率;
    扩展解释:【消防】
    【消】效能<一支消防队的能力, 取决于其人员, 组织, 训练和设备>,效率
    【医学】 【中医】
    效率,效力
    【电脑术语】 【术语缩写】
    效率,有效系数
    【电脑术语】 【术语缩写】
    效率,效能,实力
    n.
    [U]1. 效率;效能;功效,2. 【物】效率
    n. 【医学】 【医学】
    功效,效力
    (2).维基词典 efficacy efficiency
    Ability to produce a desired effect under ideal testing conditions.
    Degree of ability to produce a desired effect.
    The extent to which time is well used for the intended task.
    The quality of producing an effect or effects.
    The extent to which a resource, such as electricity, is used for the intended purpose; the ratio of useful work to energy expended.
    A one-room apartment.
    (3).牛津词典 efficacy efficiency
    the ability to produce a desired or intended result
    (4).韦伯斯特词典 efficacy efficiency
    Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer.
    简典