“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	weak relation weak relative minimum weak retract weak retraction weak rigidity theorem weak rock weak sector condition weak separability weak sequence weak signal detection weak singular integral weak singularity weak solution weak solution of Ornstein Uhlenbeck type stochastic partial diffusion equation weak solution of Ornstein-Uhlenbeck type stochastic partial diffusion equation weak solution of SDE weak source weak stability weak stability boundary weak star weak-star topology weak stationary process weak-strong convergence weak subspace weak summation

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