“obstruction marker”的概念、定义、翻译、参考文献-科学参考

单词	obstruction marker
释义	obstruction marker [ǝb`strǝk·shǝn ´märk·ǝr] ^NAVIGATION A marker indicating the presence of an obstruction.
随便看	Owl Nebula own coding owned program OW unit oxadiazon oxalate oxalic acid Oxalidaceae oxalite oxalosis oxaluria oxalyl chloride oxamide oxammite oxamyl oxazole oxbow oxbow lake oxford cloth Oxfordian oxidant oxidase oxidate oxidation oxidation number

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