“U-shaped valley”的概念、定义、翻译、参考文献-科学参考

单词	U-shaped valley
释义	U-shaped valley [`yü ¦shāpt `val·ē] ^GEOLOGY A type of valley with a broad floor and steep walls produced by glacial erosion. Also known as trough valley; U valley.
随便看	helical line helical milling helical potentiometer helical rake angle helical repeat helical resonator helical scanning helical-spline broach helical spring helical steel support helical traveling-wave tube helicase helicate helicin Helicinidae inflected inflected arch inflectional tangent inflection point inflexed inflight start inflorescence influence factor influence function influence fuse

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