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| index; indices | |||
| 角 码: 26 phrases in 12 subjects |
| Air defense | 1 |
| Architecture | 1 |
| Automobiles | 1 |
| Computers | 1 |
| Electronics | 4 |
| General | 2 |
| Information technology | 1 |
| Librarianship | 1 |
| Space | 6 |
| Technology | 5 |
| Telecommunications | 1 |
| Wind Energy | 2 |
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