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| 导航设施; 导航设备〔系统，工具〕 | |||
| 导航系统 | |||
| 助航标志 | |||
| 导航设备; 助航设备; 航行标志 | |||
| English thesaurus | |||
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| Any visual or electronic device, airborne or on the surface of the earth, that provides point-to-point guidance information or position data to aircraft in flight | |||
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navigation aid : 68 phrases in 11 subjects |
| Air defense | 4 |
| Architecture | 1 |
| Aviation | 8 |
| Electronics | 3 |
| General | 3 |
| Geophysics | 2 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| Space | 14 |
| Technology | 29 |
| Transport | 1 |
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