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| 典型参考系统 | |||
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model reference system : 18 phrases in 10 subjects |
| Aviation | 1 |
| Communications | 1 |
| Computer networks | 1 |
| Earth sciences | 2 |
| Electronics | 3 |
| Information technology | 1 |
| Multimedia | 1 |
| Space | 3 |
| Technology | 3 |
| Telecommunications | 2 |
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