pressure ridge

基本解釋

There are less polluted days in Summer, the main weather background is pressure ridge control style.
夏季出現(xiàn)汙染日較少，主要爲高壓脊控制型天氣背景；
There are more polluted days in Autumn and Winter, the weather background are pressure ridge control style and airflow by west style.
鞦鼕季出現(xiàn)汙染日較多，可分爲高壓脊控制型和偏西氣流型天氣背景。
A high-pressure ridge that has set up over the Southern Plains has been really persistent there. It has pushed a lot of active or violent weather to the east.
阿爾恩特說，“在南部平原區(qū)形成的高壓脊十分頑固，引起了其東部地區(qū)活躍甚至是猛烈的天氣現(xiàn)象。”

Second, include a high-pressure ridge off the coast of Greenland is keeping the storm from the usual course away from the U.S. mainland.
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