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touchdown zone
技术	zona de toque en tierra o de toma de contacto
航空	zona de toma de contacto
运输	zona de contacto
英语 词库
touchdown zone
军队, 后勤	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)
航空	The portion of a runway, beyond the threshold, where it is intended landing aeroplanes first contact the runway.
航空, 加拿大	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

touchdown zone : 13 短语, 4 学科

技术	3
航空	2
运输	6
通讯	2