工学 食品安全 释 food safety objective；FSO 食品安全目标 食品中的某种危害可提供或促进适当保护水平（appropriate level of protection，ALOP）的最大允许频率或浓度。食品安全目标的概念仅限于食品安全，不涉及质量。
网络与数据通信 无线网络 释文 free space optics, FSO 自由空间光束
- antiandrogen
- antianemia drugs
- anti-angina pectouis drugs
- anti antibody
- anti-antibody
- antiarchs
- anti-armor weapon
- antiaromaticity
- antiarrhythmic drugs
- anti-art
- antiasthmatics
- anti-atom
- antiatom
- Anti-Atrocity Movement
- anti automorphism
- anti-automorphism
- antiautomorphism
- antiauxin
- antibacterial
- Antibacterial bedding
- antibacterial bioceramics
- antibacterial coatings
- anti-bacterial fiber
- antibacterial finishing
- antibacterial immunity