IRMn.检查要求手册IRabbr.信息检索(=information retrieval)irradiate the mind启迪心智irradiated coating照射固化涂层irrigation distrct灌区IR image filtering红外图像滤波irrigation pasture灌溉牧场irrigation erosion灌溉侵蚀irrigat ion system灌溉制度irridiation injury射线杀伤, 射线伤irrigation methods灌溉方式irrigation ditcher灌渠挖掘机