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单词 base level
释义

base level


base level

n. The lowest level to which a land surface can be reduced by the action of running water.

base level

n (Physical Geography) the lowest level to which a land surface can be eroded by streams, which is, ultimately, sea level

base level


base level

[′bās ‚lev·əl] (geology) That critical plane of erosion and deposition represented by river level on continents and by wave or current base in the sea.
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