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| research and development center | |||
| 研 究与发展中心: 25 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 4 |
| Electronics | 5 |
| General | 4 |
| Geology | 1 |
| Military | 1 |
| Shipbuilding | 2 |
| Technology | 2 |
| United Nations | 2 |
| United States | 2 |
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