“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	Dance of Shuiqu Dance of Sixteen Heavenly Souls dance of Sui,Tang and Five Dynasties and Ten Kingdoms dance of Syria Dance of Taiqing Dance of Tapan dance of tayao dance of the Deity of Fortune Dance of Wanguochaotianyue Dance of Wanguolaitong Dance of Wannianhuan Dance of Wenxingliyuehuan dance of white ramie dance of Wudaihouliang Dance of Wunichang Dance of Wuxuan Dance of Xian Dance of Xianghuanglong dance of Xixia dynasty Dance of Yanjuntai dance of Yuan dynasty Dance of Yuzhouqing dance of Zhenpengpeng Dance of Zhuanchunying dance of zhuanta

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