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| advance data system | |||
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高级 数据系统 : 19 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 2 |
| Business | 1 |
| Earth sciences | 2 |
| Electronics | 4 |
| General | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 2 |
| Telecommunications | 2 |
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