Hi
Chinese language files are attached in this mail. I'v checked them several times. But since I am not good at php, One who want to use them have to check them first. That would be better if you can find a Chinese to check the meaning of every sentence. I just do the best as I can.

See
http://www.mediawiki.org/wiki/Extension:Semantic_MediaWiki/SMW_LanguageZh_tw.php#For_SMW_1.0_rc1
http://www.mediawiki.org/wiki/Extension:Semantic_MediaWiki/SMW_LanguageZh_cn.php#For_SMW_1.0_rc1