1. true transparency(透明)
Alt+F2 --> input "gconf-editor"(quote excluded) --> Apps --> matecity --> general --> toggle on the option "compositing_manager". That‘s OK! (Thanks CSDN 小田)
The Collection of Gnome2 Problem,布布扣,bubuko.com
The Collection of Gnome2 Problem
原文：http://4806469.blog.51cto.com/4796469/1384198