Methods: The income of 45 hospitals with different grades for 8 years in Shandong and Henan Provinces was assessed by a multilevel model.是什么意思_Methods: The income of 45 hospitals with different grades for 8 years in Shandong and Henan Provinces was assessed by a multilevel model.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句