Q.E.D.

Q.E.D.

美 [ˌkju i ˈdi]  英 [ˌkjuː iː ˈdiː]

英汉解释

abbr.
1.
【数】〈外〉(=quod erat demonstrandum)这就是所要证明的 (=which was to be demonstrated),证完,证讫

英英解释

abbr.
na.