“Sparnacean”的概念、定义、翻译、参考文献-科学参考

单词	Sparnacean
释义	Sparnacean [spär`nāsh·ǝn] ^GEOLOGY A European stage of geologic time; upper upper Paleocene, above Thanetian, below Ypresian of Eocene.
随便看	pressure contour pressure control pressure cooker pressure decline pressure deflection pressure depletion pressure depth pressure distillate pressure distribution pressure drag pressure drawdown pressure drop pressure-drop manometer pressure dye test pressure effect pressure elements pressure-enthalpy chart pressure-fall center pressure fan pressure field pressure force pressure forming pressure fringe pressure front pressure gage

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。