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| 设计与研制 | |||
| 设计和开发; 设计与开发 | |||
| 设计和研制 | |||
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design and development : 18 phrases in 7 subjects |
| Automobiles | 1 |
| Aviation | 8 |
| Business | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Space | 5 |
| United Nations | 1 |
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