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
- identification tests of biological products
- identification topology
- identification via channel
- identified
- identified asteroid
- identified boundaries
- identified colon
- identified flying object
- identified infrared source
- identified moving object
- identified point
- identified radio source
- identified satellite
- Identified-subeconomic Resources
- identified ultraviolet source
- identified X-ray source
- identified γ-ray source
- identifier
- identifier element
- identifier state
- identify
- identifying
- identifying algorithm
- identifying index
- identifying line