什么是ex-post与ex-ante?

什么是ex-post与ex-ante? Ex Post Facto ex 什么是ex work 什么是ex-laxexlax ex ante在英文文献中是什么意思在看英文文献中有这个困惑,希望哪位能帮解决 EX是什么意思 (Ex.GST) Deus Ex Ex Works EX是什么意思 EX- WORK EX-HUSBANT EX-HUSBANT 同上 EX-WORKS price与DDP的区别 英语翻译Tested on out-of-sample data,EDDIE-ARB out-performed a naive ex ante rule,which reacted only when misalignments were detected. 请问什么是E型环氧树脂?还有ex型的环氧树脂 N(u ,k²) 求 EX EX² EX³ E(X-EX)^2怎么等于EX^2-(EX)^2