Did a Runway close, did the instrument landing system close, did a frequency change?
跑道关闭了吗,仪表着陆系统关闭了吗,频率改变了吗?
单词 | Instrument Landing |
释义 |
Instrument Landing
原声例句
VOA常速英语_美洲 Did a Runway close, did the instrument landing system close, did a frequency change? 跑道关闭了吗,仪表着陆系统关闭了吗,频率改变了吗?
英语百科
Instrument landing system![]() ![]() ![]() ![]() An instrument landing system (ILS) enables aircraft to land if the pilots are unable to establish visual contact with the runway. It does this by way of transmitted radio signals. It is defined by the International Telecommunication Union as a service provided by a station as follows: |
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