“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	involute gear tooth involute spline involute spline broach involution involutional melancholia involutional psychosis involution form involvucel involvucellate inward bound inward-outward dialing system inyoite I/O Io IOCS iodargyrite iodate iodcyanin iodic acid iodic acid anhydride iodide iodide process iodine iodine-131 iodine bisulfide

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。