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| 研究用车辆; 研究车 | |||
| 研究用飞行器; 研究飞行器 | |||
| research vehicle: 54 phrases in 9 subjects |
| Automobiles | 4 |
| Aviation | 14 |
| Earth sciences | 3 |
| Electronics | 9 |
| General | 2 |
| Navigation | 5 |
| Space | 11 |
| Technology | 4 |
| United States | 2 |
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