Original Equipment Manufacturer原始设备制造商,原设备制造商 Original Equipment Manufacturer/Manufacturing原始设备制造商/制造 Oracle Enterprise ManagerOracle企业管理器 Ontology Engineering & Management本体论工程与管理 Order Entry Module订单录入模块 Orange Engineering & Machine Company, Inc. (manufacturer of hydraulic presses and vacuum lamination presses for the printed circuit board industry)橙色工程、机械有限公司,公司。(生产液压和真空层压对印刷电路板生产) Optical Equipment Manufacturer光学设备制造商 Object Exchange Model物体的交流模式 Office of Emergency Management办公室的紧急事件处理 Optical Emission Spectroscopy光发射光谱 One Eyed Monster (Television)一个眼怪物(电视) Onde Electro-MagnÉtique (French: Electromagnetic Wave)Onde Electro-MagnÉtique (French: Electromagnetic Wave) Oregon Emergency Management俄勒冈州的应急管理 Open Ended Market开放性的市场 Open-Ended Mathematics开放性的数学