| 单词 |
long-range navigation system |
| 释义 |
long-range navigation system
long-range navigation system (LRNS)An electronic navigation unit that is approved for use under instrument flight rules as a primary means of navigation and has at least one source of navigational input, such as an inertial navigation system, global positioning system, or LORAN C.AcronymsSeeLRNS |
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