单词	landform
释义	landform /ˈlan(d)fɔːm / noun A natural feature of the earth’s surface.During this period, total cover of many shade-intolerant spring ephemeral forb species is significantly greater on upland landforms than floodplain landforms.... To test for differences in mean physical and chemical soil characteristics between the floodplain and upland landforms, we used non-parametric Mann-Whitney tests. NASA says the picture actually shows the Martin equivalent of a butte or mesa - landforms common around the American West.
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