language-pack-zh-hans-base 1:11.04+20110421 (amd64 binary) in ubuntu natty

 Translation data for all supported packages for:
 Simplified Chinese
 .
 This package provides the bulk of translation data and is updated
 only seldom. language-pack-zh-hans provides frequent
 translation updates, so you should install this as well.
 .
 Please note that you should install language-support-zh-hans
 to get full support for this language (spell checkers, OpenOffice
 locale packages, etc.).