请问，i.o.a.e. 是什么意思？？？

额(⊙o⊙)…还是没有答案吗？

终于找到了。但不知道 对不对。
The "i.o." stands for "infinitely often". Proposition. (Borell-Cantelli's lemma, part 1). MATH . Proof. The sequence of sets MATH is decreasing as .......
i.o.a.e. 应该就是 infinitely often and almost everywhere 的缩写。
翻译一下？