滑走路視距離
1. Runway visual rangeRunway visual range (RVR), in aviation meteorology, is the distance over which a pilot of an aircraft on the centreline of the runway can see the runway surface markings delineating the runway or identifying its centre line. RVR is normally expressed in feet or meters. RVR is used as one of the main criteria for minima on instrument approaches, as in most cases a pilot must obtain visual reference of the runway to land an aircraft.
Read “Runway visual range” on English Wikipedia
Read “滑走路視距離” on Japanese Wikipedia
Read “Runway visual range” on DBpedia
Read “Runway visual range” on English Wikipedia
Read “滑走路視距離” on Japanese Wikipedia
Read “Runway visual range” on DBpedia
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