| 单词 | person-year | 
| 释义 | > as lemmasperson-year  C2.   With a period of time, as  person-day,  person-month,  person-year, etc.: a day, hour, etc., of one person's time; used esp. to quantify work. Cf. man n.1 Compounds 2b. ΚΠ 1924    Science 16 May 445/1  				The experience includes over 150,000 person-years exposure to risk. 1970    Sci. Amer. Feb. 91  				In that year people in California spent some 235 million person-days in specified outdoor recreational activities. 1987    P. Hardwick Probl. Unemployment & Inflation 		(BNC)	 16  				The supply of labour can be defined as the quantity of labour services (measured in person-hours) offered for hire by individuals over a given time period. 2003    WebLogic Developer's Jrnl. 		(Nexis)	 2 18  				My current customer doesn't want to hear about the person months that will add to the schedule (read cost). < as lemmas  | 
	
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