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| 参考基准方位 | |||
| 原始方位; 基准方位角; 基准方位; 参考方位 (角) | |||
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reference azimuth : 15 phrases in 5 subjects |
| Aviation | 3 |
| Electronics | 1 |
| Geophysics | 1 |
| Space | 9 |
| Technology | 1 |
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