operanoln.运算域
operan.歌剧n.挪威Opera软件公司的浏览器软件
operating solenoid操 纵电磁铁
operating scissors普通手术剪
operating reserves开工准备
operating division运营段
operating overalls[医] 手术外套
operating otoscope内耳手术耳镜
operating engineer施工工程师
operating activity营业<业务>活动
operating expenses营业费用
operating interval操作间隔