 |
| |||
| 对比方程式; 简化方程式 | |||
| 简化约简，对比方程式 | |||
| 简化方程; 约简方程 | |||
| 约筒方程; 约化方程; 简化式; 对比方程 | |||
| |||
| 简化方程，约简方程 | |||
| 简化方程; 约简方程 | |||
| reduced equation: 16 phrases in 6 subjects |
| Business | 4 |
| Chemistry | 1 |
| Economy | 1 |
| International Monetary Fund | 1 |
| Space | 1 |
| Technology | 8 |
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