person-yearsCOCA⁷⁷⁶⁴⁷BNC⁸⁶⁶⁶⁰⁺⁹ 基本例句 n.人年数原型person-year的复数 During54,455 person-years of follow-up from1980 through2000, the team documented550 incident cases of coronary heart disease. 在对54455名自1980年至2000年数年随访过程中，该小组记录到550例冠心病发作病例。 dxy The women, who were a median age of35 years old at diagnosis, were observed for 17,408 person-years. 这些年龄中值为35年的诊断，是这些年观察17408名得出的。 dxy