 |
| |||
| content analysis | |||
| 含量分析: 26 phrases in 6 subjects |
| Animal husbandry | 1 |
| Economy | 1 |
| Geology | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Technology | 21 |
|
| |||
| content analysis | |||
| 含量分析: 26 phrases in 6 subjects |
| Animal husbandry | 1 |
| Economy | 1 |
| Geology | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Technology | 21 |