person-day
名词 n.
英文释义
名词 n.
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One person's working time for a day, or the equivalent, used as a measure of how much work or labor is required or consumed to perform some task.
— Holonyms: person-month, man-month < person-year, man-year
词形变化
词源
Compound of person + day, although, as with any such unit of measure (e.g., ton-miles, newton metres), the mathematical relationship of multiplication is simultaneously involved: X persons working during Y days = X × Y = Z person-days.
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数据来源: Wiktionary