极锋 [
jí fēng]
[气象] polar front
- 中纬度地区的气旋发源于极锋。
Middle-latitude cyclones originate at the polar front. - 第三个区域位于约纬度60度处,被称为极锋带。
The third zone lies at about 60 degrees latitude, and is called the polar front. - 它的位置会随季节变化,由于极锋冬季向南移动,夏季向北移动。
Its location varies with the seasons, since the polar front moves south in winter and north in the summer.
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