现在的地形起伏超过1000是削蚀作用造成的。
The present relief of more than 1000 ft was due to excavation.
地层圈闭可分为地层超覆不整合圈闭和地层削蚀不整合圈闭。
Stratigraphy traps can be classified into stratigraphic onlap trap and stratigraphic erosion unconformity trap.
但是，几经风雨削蚀，这种文学文本在最近的一个世纪中并未得到应有的关注。
But, as years passed by, it didn't receive its deserved attention during the past century.
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