This paper analyses digital information storage system and information objects,discusses metadata system and elements for long|term preservation of digital information,and the sample of preservation metadata in Harvard University.是什么意思_This paper analyses digital information storage system and information objects,discusses metadata system and elements for long|term preservation of digital information,and the sample of preservation metadata in Harvard University.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句