“Ochoan”的概念、定义、翻译、参考文献-科学参考

单词	Ochoan
释义	Ochoan [ō`chō·ǝn] ^GEOLOGY A North American provincial series that is uppermost in the Permian, lying above the Guadalupian and below the lower Triassic.
随便看	H carrier system HCB hcf HCG H chain hcp structure HDA HdC star H-D curve H display HDPE HDTV HDX He head headache headache post headblock headboard headbox head breadth head bulb head cable head circumference head crash

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