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| 距离指示器 | |||
| 示距天体 | |||
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distance indicator : 53 phrases in 9 subjects |
| Air defense | 2 |
| Aviation | 19 |
| Business | 1 |
| Earth sciences | 2 |
| Electronics | 4 |
| General | 1 |
| Navigation | 1 |
| Space | 9 |
| Technology | 14 |
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