回复：请教大家"perturbation"的意思,我能不能这么用. 谢谢.

来源: 于 2011-09-30 12:10:47 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

 

I think "increment" (or "decrement") is better than "perturbation".