英语词汇person-years怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	person-years
释义	person-year['pə:sənjə:] n. 人工作年；人年(统计学中工作量计算单位，表示一个人一年的完全的工作量) 人年(生命计算单位，表示一个人一年的生命时间，用于医疗及人口统计)
随便看	exchange force exchange forces exchange integral exchange line exchange list exchange memo exchange narrowing exchange operator exchange order exchange pairing exchange plant exchanger exchange rate Exchange-Rate Mechanism exchange rate mechanism exchange rates exchange reaction exchange repulsion exchangers exchanges exchange sort exchange sorting exchangest exchange stabilization fund exchange student

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。