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ren lei huo dong xing cheng de di mao kuang keng
Pages: 2
Year: Issue:  12
Journal: Teaching Reference of Middle School Geography

Abstract: <正>人类活动对地貌形态和过程的影响非常广泛,例如,挖掘和建造等人类直接活动可以产生特殊的地貌。最严重的挖掘莫过于采矿,尤其是露天采矿,对地貌的影响和环境的破坏韭常强烈。
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