“downcutting”的概念、定义、翻译、参考文献-科学参考

单词	downcutting
释义	downcutting [`dau̇n´kǝd·iŋ] ^GEOLOGY Stream erosion in which the cutting is directed in a downward direction.
随便看	commutating reactor commutating zone commutation commutation rules commutative algebra commutative diagram commutative group commutative law commutative operation commutative ring commutator commutator-controlled welding commutator head commutator motor commutator pulse commutator subgroup commutator switch comonomer comose comovement effect compact compact disk compact-disk read-only memory compact H II region compactification

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