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- 空间E-R模型Spatial E-R model
- S-I-R模型susceptible-infected-recovered (SIR) model
- r模型r- model
- 她说话带着乡下人的轻柔的r音。She speaks with a soft rural burr.
- E-R模型E-R model
- R-SBFR-SBF
- 水包油包固体（S/O/W）乳化法Solid-in-oil-in-water (S/O/W) emulsion method
- C-R模型C-R modeling
- R&D资金research and development fund
- R&D合作R&D cooperation
- G-R模型Gutenberg-Richter model
- 厚向异性系数rcoefficient of normal anisotropy r
- 两步纹理映射方法将映射过程分解为S映射与O映射两步进行。The process of two-step texture mapping is composed of S mapping and O mapping.
- P-S-R模型P-S-R model
- S玻璃纤维S-glass fibre
- （R）-2-三甲基硅-2-羟基丙腈( R )-2-trimethylsilyl-2-hydroxyl-ethyleyanide
- 他在文件上签上姓名的首字母G.P.S。He initialed the paper G.P.S.
- S-O-R模型S-O-R Model
- s-o-n-g拼成"song"一字。s-o-n-g spells "song".
- 印度粉、巴西粉(M.B.R)烧结性能的烧结杯试验研究STUDY ON SINTERING CHARACTERISTICS OF INDIAN ORE FINES AND BRAZIL ORE FINE(M.B.R)
