国家的海拔高度从60米到8848米，在仅150公里的范围内，气候条件从亚热带到寒带的变化。
The elevation of the country is 60 m to 8848 m, all within a distance of 150 km with climatic condition ranging from sub tropical to arctic.
我们希望人们能够意识到气候变化对于北部亚寒带地区以及居住在那里的人们的严重影响。
We are hoping people will recognize the seriousness of climate change for northern regions and people living in them.
为了验证这个想法，科研小组们研究了几对植物的DNA，每一对均由亲缘关系很近的两种植物组成。 而且，其中的一种植物属于热带植物，另一种则属于靠近极地生长的寒带植物。
To test this idea, the team studied the DNA of pairs of closely related plant species in which one member of the pair was tropical and the other was found closer to the poles.
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