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
- rhizosphere biofilm
- Rhizosphere effect
- rhizosphere effect
- rhizosphere environment
- rhizosphere microbe
- rhizosphere microecology of Chinese materia medica
- rhizosphere microorganisms
- rhizosphere nutrition of plants
- rhizosphere talk
- rhizospheric microorganism
- rhizostyle
- RHM
- R. H. Mellin
- R. H. Mellin (1854—1933)
- R. H. Nevanlinna
- R. H. Nevanlinna (1895—1980)
- rhodan
- rhodanese
- rhodanise
- Rhode Island red chicken
- Rhode Island School of Design
- Rhode Island State
- Rhodes
- Rhodesian Front
- Rhodian Law