效用

usefulness

effectiveness

utility

availableness

boot

use

效用[xiàoyòng]

-effectiveness;efficacy;efficiency;utility;usefulness;avail:
marginalutility边际效用{经济}
短语效用递减律lawofdiminishingutility效用等高线equal-utilitycontour效用论utilitytheory;thetheoryofeffectiveness效用模型utilitymodels

药理学，药物学药物的科学，包括他们的成份、用法和效用
The science of drugs, including their composition, uses, and effects.

拟副交感药，拟副交感剂产生这种效用的药剂
A drug or an agent that produces such effects.

如果你感觉不适，就服用这些药片，我相信它们的效用。
Take these tablets if you feel run down; I swear by them.