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| 数据互换系统 | |||
| 数据交换系统 | |||
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data interchange system : 16 phrases in 9 subjects |
| Aviation | 2 |
| Business | 2 |
| Economy | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Information technology | 1 |
| Space | 1 |
| Technology | 3 |
| Telecommunications | 1 |
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