The planation surface is the hot spot in recent geography educational world as the best "the stratum" symbol of geomorphology.
夷平面作为地貌学上最好的“地层”标志，是最近地理学界的热点。
The planation surface is the hot spot in recent geography educational world as the best "the stratum" symbol of geomorphology.
夷平面作为地貌学上最好的“地层”标志，是最近地理学界的热点。
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