您要查找的是不是：
- 比ratio
- C/N比carbon to nitrogen ratio
- S/N比signal to noise ratio
- Ti/N比Ti/N ratio
- 性价比performance price ratio
- 科比Bryant
- C／N比C/N ratio
- s-o-n-g拼成"song"一字。s-o-n-g spells "song".
- 不比unlike
- 配比mixture ratio
- S和NN and S
- 环比link relative ratio
- 可比comparable
- N-S方程N-S equations
- 信噪比Signal-to-Noise
- N-S反应N-S interaction
- 比起compared with
- 比表面积specific surface
- S-N分析S-N Analysis
- 比热specific heat
