陆上侵蚀常夷平成准平原。
Subaerial erosion occurs often with reduction to a peneplain.
古准平原化地形被不规则的峻峭的山谷所切割。
Ancient peneplained surface is dissected by irregular steep sided valleys.
研究地区的现代景观形态主要是风营力地形、荒漠平原及准平原。
The present forms of landscape in the research area are mainly aerodynamic relief, desert plain and pediment.
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