Advanced Optical Disc (blue laser based storage technology)先进的光盘(蓝色激光基于存储技术) Audio On Demand数字音频点播系统, 在线音乐点播 Angle of Departure出射角 Average Outage Duration平均大修工期 Army Ordnance Department【美】陆军军械部 argon-oxygen decarburization氩氧脱碳 Articles On Demand篇章随选 Accept On Deviation特采 Active Optical Device有源光器件 Accounting of Disclosures (HIPAA requirement)会计披露要求(健康) Available on Demand市面上的需求 Associated Owners & Developers业主、开发商的关联 Anticipatory Obligation Directive预期义务指令 Air Operated Diaphragm (used as elastomer or pump)气动隔膜(作为弹性体或泵) Aerosol Optical Depth气溶胶光学厚度