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| 自动着落系统; 仪表着陆方式; 盲降设备; 仪表着陆系统 (为飞机着陆导航的无线电辅助设施。它提供了到最佳着陆点的横向和垂直导引。仪表着陆系统包括航向信标，指引飞机到跑道中心线; 下滑发射机,指引飞机沿着要求的下滑路线下降; 外指点标和内指点标，飞机在其上经过时为飞机提供指示；以及灯光系统) | |||
| ★ 仪表着陆系统 | |||
| 仪表降落航空图 | |||
| 盲目着陆系统; 盲目降落临场设备 | |||
| English thesaurus | |||
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| ILM | |||
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| A radionavigation precision-approach system that provides aircraft with horizontal and vertical guidance just before and during landing and that, at certain fixed points, indicates the distance to the reference point of landing | |||
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| ILS | |||
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Instrument Landing System : 47 phrases in 5 subjects |
| Aviation | 29 |
| Electronics | 12 |
| General | 1 |
| Space | 3 |
| Technology | 2 |