A开头的词条，共有 59808 条。
- AAAASF:American Association for Accreditation of Ambulatory Surgery Facilities 美国协会的认证,日间手术设备
- AAL2:ATM Adaptation Layer 2 ATM适配层2
- A/N:Alphanumeric 字母数字的
- AACS:American Academy of Cosmetic Surgery 美国科学院整容手术
- AAAG:American Association of Anthropological Genetics 美国人类学协会的遗传
- AAABEM:American Association of Acupuncture and Bio-Energetic Medicine 美国医学协会Bio-Energetic针灸
- A/V:Audio/Video 音频/视频
- AAEM:American Academy of Emergency Medicine 美国儿科急诊医学
- AAESA:Army Acquisition Executive Support Agency 部队采办长官支援机构
- AAHCPA:American Association of Hispanic Certified Public Accountants 西班牙裔美国注册会计师
- AAIS:American Association of Insurance Services 美国协会的保险服务
- A/W:actual weight 净重，实际重量
- AAIN:acute allergic intestinal nephritis 急性过敏性间质性肾炎
- AA-E:Acrylic acid-ethylene 丙烯酸-乙烯
- A-EB:acquired (non-inherited) epidermolysis bullosa acquisita 获得性（非遗传性）大泡性表皮松解
- AAGS:American Association for Geodetic Surveying 美国协会为大地测量
- AAGP:American Association of Geriatric Psychiatry 美国老年精神病学
- AAIP:Association of American Indian Physicians 医师协会的印地安人
- AADCP:Army Air Defense Command Post 陆军防空指挥部
- AACE:American Association for Cancer Education 美国肿瘤协会的教育
