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| point de changement; point de transition | |||
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| point de commutation sur la station suivante; point de transfert sur la station suivante; point de transition VOR | |||
| 英语 词库 | |||
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| The point at which an aircraft navigating on an ATS route segment defined by reference to very high frequency omnidirectional radio ranges is expected to transfer its primary navigational reference from the facility behind the aircraft to the next facility ahead of the aircraft. (Change-over points are established to provide the optimum balance in respect of signal strength and quality between facilities at all levels to be used and to ensure a common source of azimuth guidance for all aircraft operating along the same portion of a route segment.) | |||
| A point along the route or airway segment between two adjacent navigation facilities where the change- over in navigation guidance should occur | |||
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change-over point : 3 短语, 1 学科 |
| 航空 | 3 |