Hill
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Sigma KEE - Hill
爬坡道
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A Hill is a raised part of the earth's surface with sloping sides - an old mountain which because of erosion has become shorter and more rounded.
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土地形式 |
A LandForm is the class of geographically and/or geologically distinct areas that occur on Earth's surface, including mountains, hills, plains, valleys, deltas, and features of submerged land areas such as the ocean floor.
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高地地區 |
An UplandArea is a LandArea elevated above the surrounding terrain.
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Children |
Dune | A dune is a landform composed of Wind - or Water -driven Sand. It typically takes the form of a mound, ridge, or Hill. Dunes are most common in Desert environments, where the lack of moisture hinders the growth of vegetation that would otherwise interfere with the development of dunes. However, sand deposits are not restricted to deserts, and dunes are also found along sea ShoreAreas, along SteamWaterAreas in semiarid climates, in areas of glacial outwash, and in other areas where poorly cemented sandstone bedrock disintegrates to produce an ample supply of loose sand. Dunes are generally defined as greater than 7 cm tall [from Wikipedia]. | | 火山錐 | A VolcanicCone is a hill of lava or pyroclastics surrounding a volcanic vent. Not as high as a VolcanicMountain. |
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