The measure for relativity is key to information retrieval, so a series of information retrieval model (IRM) are put forward to answer it in theory and practice.是什么意思_The measure for relativity is key to information retrieval, so a series of information retrieval model (IRM) are put forward to answer it in theory and practice.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句