IRMn.检查要求手册IRabbr.信息检索(=information retrieval)irrigation purpose灌溉目的IR thermal emitter红外热辐射光源irrigating syringe冲洗注射器Iroquois mythologyn.易洛魁族原始宗教irrigation network灌溉渠网,灌溉网irrigation advance水流推进irreducible tensor不可约张量Irrawaddy squirreln.蓝腹松鼠irrigation emitter滴头IR scene simulator红外景象仿真