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
- occupational arsenism poisoning
- occupational bladder cancer
- occupational cadmium poisoning
- occupational carcinogen
- occupational cataract
- occupational chromium poisoning
- Occupational Classification Code
- occupational commitment
- occupational contact dermatitis
- occupational contraindication
- occupational dental acid erosion
- occupational dermatitis
- occupational disease
- occupational disease compensation
- occupational disease identification
- occupational disease management
- Occupational Disease Prevention and Treatment Law of People's Republic of China
- Occupational disease rehabilitation
- occupational disease report
- occupational diseases
- occupational diseases by target organ systems
- occupational diseases caused by physical factors
- occupational diseases induced by biological factors
- occupational diseases induced by physical factors
- occupational drug-like dermatitis