| |||
| 换算率 | |||
| 折算系数 | |||
|
coefficient of conversion : 5 phrases in 5 subjects |
| Ecology | 1 |
| Geography | 1 |
| Hydroelectric power stations | 1 |
| Securities | 1 |
| Technology | 1 |
| |||
| 换算率 | |||
| 折算系数 | |||
|
coefficient of conversion : 5 phrases in 5 subjects |
| Ecology | 1 |
| Geography | 1 |
| Hydroelectric power stations | 1 |
| Securities | 1 |
| Technology | 1 |