operaria职虫(膜翅目)
operan.歌剧n.挪威Opera软件公司的浏览器软件
operating ampere-turn吸动安匝
operating effectiveness经营效能
operating mode judgment工况识别
operating system design操作系统设计
Opera Pia International国际慈善会
operating code register操作码寄存器
Operating driving speed运行车速
operating system master操作系统总体
opera industry language戏曲行业语
operating safety factor工作安全系数