“司图特冰期”的概念、定义、翻译、参考文献-科学参考

单词	司图特冰期
释义	司图特冰期 Encyclopedia 理学Sturtian冰期释 Sturtian gaciation司图特冰期发生在距今7.2亿～6.6亿年的“雪球地球”事件。
随便看	closed power station closed professional sports league closed pseudo-manifold closed quadrature formula closed quantum system closed range theorem closed ray closed region closed reserve system closed resonator closed Riemann surface closed ring closed scheme closed season closed semicircle closed semigroup closed semisphere closed sentential formula closed sequence closed set closed set basis closed-shelf book selling closed shell closed shell ion closed-shell ion

科学参考收录了854744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。