IRB=industrial reference black 工业基准黑IRabbr.信息检索(=information retrieval)irrigation by flooding漫灌Irnrnunocytochernistry免疫细胞化学IR smokes' performanceirritative blepharitis刺激性睑缘炎irradiated cholesterol[医] 照射胆甾醇irrigation performance灌水质量irradiance measurement辐射照度测量irreproachable quality优质Irrigation periodicity灌水周期irreproachable conduct无可指责的行为