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- C/N比carbon to nitrogen ratio
- 比ratio
- C／N比C/N ratio
- C、N比C/N
- 高C／N比秸秆straw with high C/N
- 性价比performance price ratio
- c语言
- 科比Bryant
- 不比unlike
- 维生素Cvitamin(e) C
- 配比mixture ratio
- C语言程序设计Programming in C
- 环比link relative ratio
- 可比comparable
- 信噪比Signal-to-Noise
- S/N比signal to noise ratio
- 比起compared with
- C/NC/N
- 比表面积specific surface
- 比热specific heat
