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继而给出了如斜坡、山、山脊、凹地、谷地、鞍部等基本地貌形态的数学定义。
These mathematical definitions make basic landform shape concept of limit determine nat.
youdao
-
继而给出了如斜坡、山、山脊、凹地、谷地、鞍部等基本地貌形态的数学定义。
These mathematical definitions make basic landform shape concept of limit determine nat.
youdao