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| |||
| Navigationshilfe f (for the blind); Orientierungshilfe f (for the blind) | |||
| Navigationshilfe f | |||
| Navigationsausrüstung f | |||
| 英语 词库 | |||
| |||
| 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 : 32 短语, 6 学科 |
| 一般 | 1 |
| 技术 | 13 |
| 生命科学 | 3 |
| 矿产品 | 1 |
| 运输 | 11 |
| 通讯 | 3 |