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instrument meteorological conditions
商业, 运输, 航空 conditions météorologiques de vol aux instruments
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instrument meteorological conditions
美国 Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling; less than minimums specified for visual meteorological conditions (JP 3-04) 亦见 visual meteorological conditions
航空, 加拿大 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
航空, 国际民航组织, 美国人 Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling less than the minima specified for visual meteorological conditions