Advanced Computing Environment高级计算环境组织, ACE联盟 Advanced Composition Explorer要素/同位素成分高级探测器 Access Control Entry存取控制项 Advanced Collaborative Environment先进的协作环境 Angiotensin Converting Enzyme血管紧张素转换酶, 血管紧张素转化酶 American Council on Education美国教育委员会 Auxiliary Control Element辅助控制单元 Advisory Centre for Education教育咨询中心[英] Acceptance Checkout Equipment验收检查设备 Automatic Calling Equipment自动呼叫装置 Association of Consulting Engineers顾问工程师协会[英] Automatic Checkout Equipment自动检测设备 Alliance for Customer Excellence联盟为顾客卓越 Advisory Council on the Environment (UK)环境谘询委员会(英国) Advanced Computer Education先进的计算机教育