较冷空气向较暖空气方向输送即空气从冷的地区刮到暖的地区称为冷平流（cold advection），常引起较暖地区的温度下降，是天气剧变的因素之一。
抚顺地区一次白天降温现象分析_731苗木网 关键词 白天降温；辐射增温；冷平流； 辽宁 抚顺 [gap=827]Key words daytime cooling；radiation temperature；cold advection；Fushun Liaoning
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结果表明：静止锋附近的近地面层为冷平流，再往上为暖平流。
Results indicate that there is a cold advection in the surface layer and a warm advection at the higher level near the stationary front.
在该型暴雨的发生过程中，北部冷平流具有十分重要的作用，但南部暖平流的作用也不可忽视。
We must pay attention to the southern warm thermal advection as well as the northern cold thermal advection in the cold front shear type rainstorm process.
平流层之上，看上去深蓝色的地带，是稀薄的高层大气，逐渐过渡到冷而黑暗的外层空间的真空地带。
Above the stratosphere, visible as a darker blue bands, are higher and thinner atmospheric levels that gradually fade away into the cold dark vacuum of outer space.
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