“symmetric ripple mark”的概念、定义、翻译、参考文献-科学参考

单词	symmetric ripple mark
释义	symmetric ripple mark [sǝ`me·trik `rip·ǝl ´märk] ^GEOLOGY A ripple mark whose cross-section profile is symmetric.
随便看	E cell E center ecesis ECG ecgonine echelette grating echelle grating echelon echelon faults echelon grating Echeneidae echidna Echinacea echinate Echinidae Echiniscoidea echinococcosis Echinococcus echinococcus cyst Echinocystitoida Echinodera Echinodermata Echinoida Echinoidea Echinometridae

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