person-year

名词 n.
中文释义

英文释义

名词 n.
  1. One person's working time for a year, or the equivalent, used as a measure of how much work or labor is required or consumed to perform some task.
    — Meronyms: person-hour, man-hour < person-day, man-day < person-month, man-month

词形变化

person-years plural

词源

Compound of person + year, 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 years = X × Y = Z person-years.
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