“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	homogeneous product homogeneous radiation homogeneous random field homogeneous reaction homogeneous reaction chemistry in atmosphere homogeneous reactor homogeneous region homogeneous relation homogeneous Riemannian space homogeneous ring homogeneous sample homogeneous series homogeneous simplicial complex homogeneous space homogeneous space of a group homogeneous sphere homogeneous star homogeneous stochastic process homogeneous structure homogeneous submanifold homogeneous surface homogeneous system homogeneous tangential coordinate homogeneous transformation homogeneous turbulence

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