“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	rectilinear rectilinear complex rectilinear congruence rectilinear coordinate rectilinear crossing number rectilinear figure rectilinear generator rectilinearity rectilinear jet rectilinearly accessible point rectilinear motion rectilinear particular solution rectilinear polar rectilinear projection rectilinear propagation of light rectilinear range of points rectilinear realization rectilinear scale rectilinear segment rectilinear solution rectilinear trend rectilinear triangulation rectisorption rectocele rectorite

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