“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	fashion technology fashion trend fashion trend press conference fashion trends fashion trends forecasting fashion website Fashion World Tokyo Fa Shishan Fashoda Incident fasle diffusiton FAST fast FASTA algorithm fast activation cross-section fast Alfven wave fast Alfvén wave fast analysis fast angular variable fast assessment fast astrocamera fast atom bombardment fast atom bombardment (FAB) fast atom bombardment (FAB) ion source fast-atom bombardment (FAB) ion source fast atom bombardment ionization

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