“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	initial fragment initial function initial functor initial gel strength initial guidance initial income distribution initial index initial information initialisms and abbreviations initialization value initialize initialized automaton initializer initial lead initial length initial letter initial loss initial luminosity function initial magnetic field initial magnetization curve initial main sequence initial main-sequence star initial manifold initial marking initial mass distribution

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