IRB=industrial reference black 工业基准黑
IRabbr.信息检索(=information retrieval)
irradiated polyethylene照射聚乙烯
irrigation water source灌溉水源
irrigation water saving节水灌溉
Iridium subscriber unit铱用户单元
irritability of bladder[医] 膀胱过敏
irradiated hamster test照射的地鼠试验
irrigation installation灌溉设备
Irrigation in grassland草原生态建设
IR reflected windshield红外线反射前风窗
irreconcilable conflict不可调和的斗争