IRB=industrial reference black 工业基准黑
IRabbr.信息检索(=information retrieval)
irrigating sharp scoop冲洗用锐匙
irreligious communists不信仰宗教的共产主义者
iridium sodium chloride氯化铱钠,氯铱酸钠
irrigation water volume灌溉水量
irreplaceable resources不能替代的资源
irrigation prescription灌溉处方
irreducible polynomials不可约多项式
irrigation ditch outlet灌渠出水口
irrigating dressing box冲洗敷料盒
Irradiance respensivity照度响应度