efficacity

英 [efɪ'kæsɪtɪ] 美 [efɪ'kæsɪtɪ]

• n. (=efficacy)效力；功效

例句

用作名词 (n.)

1. The efficacity of the registration is mainly about the proclaiming and defense to the public.
   登记的效力以登记对抗要件主义为通行做法。