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| target blip | |||
| 目标 标记: 19 phrases in 14 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Business | 1 |
| Computer networks | 1 |
| Cryptography | 2 |
| Earth sciences | 1 |
| General | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Librarianship | 1 |
| Management | 1 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 1 |
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