“number of person-days”的概念、定义、翻译、参考文献-科学参考

单词	number of person-days
释义	number of person-days Encyclopedia 工学膳食调查释 number of person-days人日数包括总人日数和个人人日数，是指以被调查对象的一日三餐为标准折合的用餐天数，将每人每日的三餐定义为一个人日。
随便看	The Song of Yesterday The Song of Youth the song with stepping dance The Son of Man The Sorrows of Young Werther The Soul of China The soul of the Yellow River The Souls of Black Folk The Sound and Fury the Sound and the Meaning of All Scriptures The Sound of Music The Sound of Thunder The Source of Acupuncture and Moxibustion the source of speech sound The Source of Zhuozhang He Nature reserve the sources of international law the source water protection area The Sourcing Connection Première Vision The South African School of Motion Picture Medium and Live Performance The South China Sea Temple The Southern Expedition of the Five Brave Generals The Southern Song Dynasty mausoleum The Southern Star the southern theater command the South Lake Literary Society

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