| |||
| 密度数据 | |||
|
density data : 25 phrases in 11 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Desert science | 1 |
| Earth sciences | 3 |
| Electronics | 5 |
| Geophysics | 2 |
| Information technology | 1 |
| Oceanography & oceanology | 4 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 1 |
| |||
| 密度数据 | |||
|
density data : 25 phrases in 11 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Desert science | 1 |
| Earth sciences | 3 |
| Electronics | 5 |
| Geophysics | 2 |
| Information technology | 1 |
| Oceanography & oceanology | 4 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 1 |