您要查找的是不是：
- P-R方程P--R equation
- C-R方程C - R equation
- D-R方程Dubinin-Radushkevich equation
- 她说话带着乡下人的轻柔的r音。She speaks with a soft rural burr.
- R-SBFR-SBF
- R&D资金research and development fund
- R&D合作R&D cooperation
- "pin"中"p"的送气发音the aspiration of "p" in "pin"
- 空间E-R模型Spatial E-R model
- G-P方程G-P equation
- 厚向异性系数rcoefficient of normal anisotropy r
- 他在文件上签上姓名的首字母G.P.S。He initialed the paper G.P.S.
- （R）-2-三甲基硅-2-羟基丙腈( R )-2-trimethylsilyl-2-hydroxyl-ethyleyanide
- p-n 结p-n junction
- 蒸气压方程vapor pressure equation
- 麦克斯韦(电磁)场方程(式)Maxwell field equations
- Pphosphorus (P)
- 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)
- P圈P-cycle
- 次数多项式或多项式方程中变量的幂的最大数The greatest sum of the exponents of the variables in a term of a polynomial or polynomial equation.
