“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	open fire open-flame arc open-flow capacity open-flow potential open-flow test open-flow well open fold open form open-fuse cutout open harbor open-hearth furnace open-hearth process open hole open-hole completion open ice opening opening die opening material opening pressure open interval open lake open lead open-link fuse open-loop control system open map

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