| |||
| 视角 | |||
| 表观角 | |||
|
apparent angle : 30 phrases in 8 subjects |
| Engineering geology | 1 |
| Hydroelectric power stations | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Space | 2 |
| Technology | 18 |
| Telecommunications | 1 |
| Wind Energy | 2 |
| |||
| 视角 | |||
| 表观角 | |||
|
apparent angle : 30 phrases in 8 subjects |
| Engineering geology | 1 |
| Hydroelectric power stations | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Space | 2 |
| Technology | 18 |
| Telecommunications | 1 |
| Wind Energy | 2 |