For the geographic disparities of physician manpower and avoidable mortality, we used area as the unit of analysis, including the level of city/county and the level of township.是什么意思_For the geographic disparities of physician manpower and avoidable mortality, we used area as the unit of analysis, including the level of city/county and the level of township.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句