| |||
| 群组研究法 | |||
| 盘区开采法 | |||
| 小组讨论法 | |||
| 板块法; 面元法 | |||
|
panel method : 6 phrases in 3 subjects |
| Bridge construction | 1 |
| Rail transport | 1 |
| Technology | 4 |
| |||
| 群组研究法 | |||
| 盘区开采法 | |||
| 小组讨论法 | |||
| 板块法; 面元法 | |||
|
panel method : 6 phrases in 3 subjects |
| Bridge construction | 1 |
| Rail transport | 1 |
| Technology | 4 |