“river valley”的概念、定义、翻译、参考文献-科学参考

单词	river valley
释义	river valley Encyclopedia 理学河谷释 river valley河谷河水所流经的呈线状延伸的凹地。由河水侵蚀冲刷而成，由沟谷发育而来。
随便看	order of summability order of the bits Order of the Most Holy Savior Order of the presidium of the Central Revolutionary Military Commission on the reorganization of the Red Army order of units order on a set order-open interval order-optimal method order over a Dedekind domain order Pandanales order parameter order parameter relaxation order Patrosaviales order pattern order-placing meeting order Poales order-preserving order-preserving correspondence order-preserving function order-preserving isomorphism order-preserving mapping order-preserving relation order-preserving semigroup order property of real numbers order region

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