I accidently executed
sudo apt-get remove --purge gstreamer0.10, and the packages such as gimp, gnome-, Rhythmbox and etc are removed, so I forced to stop the processing, but I don't remember what packages were deleted. How can I reinstall the packages?
If you mean that you halted the package manager during its work, this is a bad idea. Much better to just let it do what it's doing, then reverse it later.
If apt-get now refuses to work because a previous operation was interrupted, you can try
You can have a look at the DPKG log as described in this question. It points out that the DPKG log is at:
In general however, I believe that installing the metapackage
If you need to individually install all the separate packages, it may mark some dependencies as "manually installed" which can leave around extra cruft during future upgrades.