effectiveness
有效,有力
effectiveness
效用; 有效性
effectiveness
有效 效用
Ef·fect·ive·ness, n. The quality of being effective.
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effectiveness
n 1: power to be effective; the quality of being able to bring
about an effect [syn: effectivity, effectualness, effectuality]
[ant: ineffectiveness]
2: capacity to produce strong physiological or chemical
effects; "the toxin's potency"; "the strength of the
drinks" [syn: potency, strength]