“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	marker-assisted gene polymerization marker-assisted selection marker-free transgenic technology marker gene marker gene deletion technique marker horizon marker residue marker variable market marketable pollution permits marketable value market access effect market access in GATS market access system market access system of fire products market analysis market area market building market comparison approach market competition market concentration rate market control market crowding effect Market Daily market demand forecast

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。