 |
| |||
| 系统实体 | |||
|
system entity : 10 phrases in 7 subjects |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| Multimedia | 1 |
| Space | 2 |
| Technology | 1 |
| Telecommunications | 1 |
|
| |||
| 系统实体 | |||
|
system entity : 10 phrases in 7 subjects |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| Multimedia | 1 |
| Space | 2 |
| Technology | 1 |
| Telecommunications | 1 |