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
- precise traversing
- precise trigonometric leveling
- Precision
- precision
- precision agriculture
- precision airdrop system
- precision alloys
- precision analog photon address
- precision analysis method of exploratory profile
- precision and recall curve
- precision annealing
- precision approach radar
- precision approach radar system
- precision at N document level
- precision between laboratory
- precision casting
- precision catalogue
- precision coating
- precision diagnosis
- precision electrical resistance alloys
- precision electroforming
- precision employing pesticide
- precision engineering survey
- precision ephemeris
- Precision Farming