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
- additive group
- additive group of rationals
- additive group of real numbers
- additive group scheme
- additive hazards model
- additive hazards model with time varying regression coefficients
- additive hazards model with time-varying regression coefficients
- additive hazards regression model
- additive ideal
- additive identity
- additive identity element
- additive interval function
- additive inverse
- additive inverse element
- additive law
- additive law of the points on the elliptic curve
- additive logratio transformation
- additively closed
- additive manufacturing
- additive manufacturing of ceramics
- additive manufacturing of composites
- additive manufacturing of in vitro medical devices
- additive manufacturing of metal powder
- additive manufacturing of smart materials
- additive manufacturing repair