| |||
| 异地成煤说; 漂移学说; 漂流理论 | |||
|
drift theory : 10 phrases in 7 subjects |
| Agriculture | 1 |
| Desert science | 1 |
| Engineering geology | 1 |
| Genetics | 1 |
| Life sciences | 1 |
| Oil / petroleum | 1 |
| Technology | 4 |
| |||
| 异地成煤说; 漂移学说; 漂流理论 | |||
|
drift theory : 10 phrases in 7 subjects |
| Agriculture | 1 |
| Desert science | 1 |
| Engineering geology | 1 |
| Genetics | 1 |
| Life sciences | 1 |
| Oil / petroleum | 1 |
| Technology | 4 |