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surface weather observation

航空, 加拿大 observations météorologiques de surface
 英语 词库
surface weather observation
航空, 加拿大 An aviation weather report describing the weather conditions at a specified location and at a specified time, as observed from the ground. Regular observations are made on the hour, and special observations are made as necessary to report a significant change in the weather.
Surface Weather Observation
: 2 短语, 1 学科
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