Nowadays most aircraft fly high,well above the clouds and weather,but their crews are still vitally interested in landing conditions at their destination,i.e. the cloud base and visibility there.

 
  • 如今,大多数的飞机飞得很高,远在云层之上,不受天气影响,但是飞机的工作人员仍然非常关心目的地的着陆条件,也就是,云层底下的清晰度。
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