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touchdown zone
avia. 接地区; 着陆接地区; 接地地带; 触地区
 English thesaurus
touchdown zone
avia., Canada The first 3000 ft of the runway or the first third of the runway, whichever is less, measured from the threshold in the direction of landing
mil., logist. For fixed wing aircraft: the first 3,000 feet or 1,000 metres of runway beginning at the threshold. 2. For rotary wings and vectored thrust aircraft: that portion of the helicopter landing area or runway used for landing. (FRA); Limited terrain area permitting the landing and take-off of one helicopter or more. (FRA)
touchdown zone: 7 phrases in 1 subject
Aviation7