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instrument meteorological condition
tech. 仪器气象状况; 仪表飞行气象条件
instrument meteorological conditions
avia. 仪表天气情况; 仪表气象条件
space 仪表飞行气象条件
 English thesaurus
instrument meteorological conditions
avia., avia., ICAO, amer. Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling less than the minima specified for visual meteorological conditions
avia., Canada Meteorological conditions less than the minima specified in Subpart 602 of the Canadian Aviation Regulations CARs for visual meteorological conditions VMC, expressed in terms of visibility and distance from cloud
USA Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling; less than minimums specified for visual meteorological conditions (JP 3-04) see also visual meteorological conditions

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