| AM | amplitude modulation | 调幅 |
| AM | Alma Mater | 母校 |
| AM | Arranged Marriage | [中国]包办婚姻 |
| AM | Associate Member | (协会)准会员 |
| AM | Access Manway | 人行巷道 |
| AM | All Messages | 所有的消息 |
| AM | Active Member | 现有会员 |
| AM | Annual Meeting | 年度会议 |
| AM | About Myself | 自我介绍 |
| AM | Anonymous Members | 匿名会员 |
| AM | Advanced Member | 高级会员 |
| AM | Armenia | 亚美尼亚 |
| AM | Acoustic Management | 声音管理 |
| AM | Americium | 镅(化学元素) |
| AM | Auxiliary Memory | 辅助内存 |
| AM | Amendment | 修改书 |
| AM | Administration Module | 管理模块 |
| AM | Arithmetic Mean | 算术中项,算术平均值 |
| AM | Air Mass | 气团 |
| AM | Air Marshal | 中将 |
| AM | Aviation Medicine | 航空医学 |
| AM | Actinomycosis (skin disease) | 放射菌病(皮肤病) |
| AM | After Market | 销售后市场 |
| AM | Access Method | 存取方法 |
| AM | Active Monitor | 现用监督程序 |
| AM | Asynchronous Mode | 异步方式 |
| AM | Assistant Manager | 副(经)理,协理 |
| AM | Application Management | 应用管理(程序) |
| AM | Address Management | 地址管理(程序,软件) |
| AM | Analog Multiplexer | 模拟多路转接器 |
| AM | Ante Meridian | 下子午圈,正午以前时期 |
| AM | Alarm Module | 起闹组件 |
| AM | Address Modifier | 地址修改量,变址数 |
| AM | Add to Memory | 加进存贮器 |
| AM | Air Materials | 航空材料 |
| AM | Applied Mechanics | 《应用力学》[美] |
| AM | Artium Magister | 文学硕士[拉] |
| AM | Associative Memory | 相联存贮器 |
| AM | Associative Memory | 相联存贮器 |
| AM | Access Module | 接入模块 |
| AM | Address Mark | 地址标记 |
| AM | Auto Maintenance | 汽车维修 |
| AM | Art Museum | 艺术博物馆 |
| AM | Academy of Music | 音乐学院 |
| AM | Additive Model | 附加模型 |
| AM | Arts Movies | 艺术电影 |
| AM | Advertising Manager | 广告经理 |
| AM | Active Matrix | 动态矩阵 |
| AM | Active Movie | 动态影像 |
| AM | Addressing Mode | 位置指令模式 |
| AM | Agile Manufacturing | 敏捷制造 |
| AM | America | 美国,美洲 |
| AM | accident management | 事故管理 |
| AM | acetate moiety | 乙酸根,乙酸基 |
| AM | acid mist | 酸雾 |
| AM | atmospheric microphysics | 大气微观物理学 |
| AM | AeroMexico (IATA Airline Code) | 墨西哥航空公司(IATA航空公司代码) |
| AM | amantadine | 金刚烷胺 |
| AM | mixed astigmatism | 混合散光 |
| AM | amethopterin | 紫精蛋白 |
| AM | Air Medal | 空军奖章 |
| AM | Application Manager | 应用程序管理器 |
| AM | Absent Minded | 心不在焉 |
| AM | Aston Martin | 阿斯顿·马丁 |
| AM | Apramycin | 阿普霉素 |
| AM | Airmail | 航空邮件 |
| AM | Above Mentioned | 上面提到的 |
| AM | Amos | 阿莫斯 |
| AM | Account Manager | 客户经理 |
| AM | Adhesion Molecule | 粘附分子 |
| AM | Auxiliary Motor | 辅助电机 |
| AM | Active Mode | 活动模式 |
| AM | Accounting Management | 会计管理 |
| AM | Albert Medal | 阿尔伯特奖章 |
| AM | Accountability Measure (NMFS - fisheries management) | 问责措施(NMFS-渔业管理) |
| AM | Aggressive Mechanism | 攻击性机制 |
| AM | amylase | 淀粉酶 |
| AM | Adaptive Multiplexer | 自适应多路复用器 |
| AM | AprÈs-Midi (French: Afternoon) | AprÈs-Midi (French: Afternoon) |
| AM | Amplitud Modulada (Guatemala radio frequency) | Amplitude Modulada(危地马拉无线电频率) |
| AM | Arch Mage (gaming) | Arch Mage(游戏) |
| AM | Aide MÉmoire (French:memorandum) | Aide MÉmoire (French:memorandum) |
| AM | Arts et MÉtiers (French Engineers School) | Arts et MÉtiers (French Engineers School) |
| AM | Alert Message | 警报消息 |
| AM | Avant Midi (French) | Avant Midi(法语) |
| AM | Accounts Manager | 客户经理 |
| AM | Airway Manual | 航线手册 |
| AM | Agile Modeling | 敏捷建模 |
| AM | Architecture Manager (Intel) | 体系结构管理器(Intel) |
| AM | AlterMeta (web comic discussion) | AlterMeta(网络漫画讨论) |
| AM | Address Management (USPS) | 地址管理(USPS) |
| AM | Away Message (instant messaging) | 离开消息(即时消息) |
| AM | myopic astigmatism | 近视散光 |
| AM | Asset Management | 资产管理 |
| AM | Ante Meridiem (period between midnight and noon) | 下午前(午夜至中午) |
| AM | Alternate Mode | 备用模式 |