I found that shift+alt+D has the same functionality as shift+alt+O of visual assist in VC.

shift+alt+D在XCode里是Quick Open,可以打开工程里一个指定的文件

Blender tips:
1. Shift+F让相机进入自由移动
2. 如果不知道面的法向,可以在Edit mode的Mesh tools more里面打开draw normal
3. ctrl+alt+scrll可以让3d view左右移动