急求：關於地球科學的問題3

If during the year every Earth location receives the same number of daylight hours, why are the polar regions colds than lower latitude?

低纬度地区，太阳光到达时在大气层中消耗的能量较少；

高纬度地区，太阳光消耗的能量较多。

这是因为太阳的直射角在低纬度地区比较接近于垂直照射，这样太阳光要穿越大气层的距离较短，而在高纬度地区需要穿过大气层的距离较长，因此即使在日照时间相同的条件下，高纬度地区的温度也较低。

arrive in less energy consumption;

High-latitude regions, the energy consumption of more sunlight.

This is because the sun's direct angle in low latitudes closer to the vertical radiation, so that sunlight through the atmosphere to the shorter distances, while in high-latitude region needs a longer distance through the atmosphere, so even in the bright sunshine duration of the same conditions as , the high-latitude temperatures are also low.(汉语同上，照着上面的我给翻得）

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