Area Code电话地区号，区域代码 Air Conditioning/Conditioner空调/调节器 Adult Contemporary (radio format)成人当代(无线电格式) Author's Correction作者的修正 Alternating Current (electricity; physics)交流电(电;物理) Ante Cibum (Latin: Before Meals)天线:饭前Cibum(拉丁文) Advisory Committee顾问委员会，咨询委员会 Air Curtain把空气压缩向下喷成之无形门帘 Assistant Coach助理教练 Acceptance Criteria验收准则[标准] Arithmetic Coding算术编码法 Attenuation Correction衰减校正 Actual Cost实际代价 Absolute Ceiling[航空]绝对顶点 Anterior Chamber（眼科医学）前房