CIRM=Celestia Infra-Red Mapper 天体红外测绘仪CIRabbr.圆圈(=circle)abbr.电路；圈(=circuit)abbr.圆周；周长(=circumference)cirtical taint count微生物数的极限量Cirsium glabrifoliumn.无毛蓟Cirsium vernonioidesn.斑鸠蓟Cirle-Matas method可-马二氏神经内浸润区域麻醉法Cirsium interpositumn.披裂蓟Cirrhinusmolitorella鲮鱼Cirsium setosum MB.刺儿采cirrostratus nebulous薄幕卷层云Cireular distribution圆形分布cirection information方向信息