“人日数”的概念、定义、翻译、参考文献-科学参考

单词	人日数
释义	人日数 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	surge prominence surge protective device surgery surgery obstruction surgery theorem surges surgical correction of the displaced abomasum in cattle surgical disease surgical drainage Surgical drapes surgical embryo transfer surgical examine and diagnose of urinary system and male reproductive system surgical gloves surgical infection surgicalinfection surgical oncology surgical operation and first aid device surgical pathology surgical problems in the elderly surgical suture surgical therapy surging surging pulse surging state surging system

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。