“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	support resonance support resource of aircraft materiel support ring supports support set support system support system for elderly health support system of aircraft materiel support theory of constant resistance and large deformation support-type packer support vector support vector classification support vector machine support vector machine classification support vector machine modeling support vector machine,SVM support vector regression support vector regression,SVR supposed value supposition suppositories suppository bases suppressed column suppressed-lobe interferometer suppressed total reflection

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