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
- Environmental Performance Index
- environmental photochemistry
- environmental planning
- environmental planning cycle
- environmental plasma
- environmental policy
- environmental policy instruments
- environmental policy-integrated climate
- environmental politics
- environmental pollutant
- environmental pollutant exposure
- environmental pollutants
- Environmental Pollution
- environmental pollution
- environmental pollution and DNA repair
- environmental pollution chemistry
- environmental pollution control
- Environmental Pollution control Engineering
- Environmental pollution control of mobile sources
- Environmental Pollution control Strategy
- Environmental Pollution Control System
- Environmental Pollution control System Optimization
- environmental pollution in China
- environmental pollution liability insurance system
- environmental pollution map