unusualadj.异常的;独特的;与众不同的
Unusual Sudden Incidents反常突变事件
unusual convention venue特殊会议场所
unusual historical event另类历史事件
unusual casualty reserve非常灾害准备
unusual magnetic property独特磁性质
unusual character element异质元素
unusual ectopic pregnancy少见部位异位妊娠
unusual service condition异常工况
Unusually frequent menses月经异常频繁
Unusual Occurrence Report异常事件报告