| |||
| 积分步长 | |||
|
integration step : 9 phrases in 7 subjects |
| Bridge construction | 1 |
| Engineering geology | 1 |
| General | 1 |
| Information technology | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 3 |
| |||
| 积分步长 | |||
|
integration step : 9 phrases in 7 subjects |
| Bridge construction | 1 |
| Engineering geology | 1 |
| General | 1 |
| Information technology | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 3 |