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| 研究性试验与鉴定 | |||
| research test and evaluation: 16 phrases in 8 subjects |
| Aviation | 2 |
| Business | 2 |
| Earth sciences | 2 |
| Economy | 1 |
| Electronics | 1 |
| General | 1 |
| Information technology | 2 |
| Space | 5 |
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