“行星形成年龄”的概念、定义、翻译、参考文献-科学参考

单词	行星形成年龄
释义	行星形成年龄 Encyclopedia 理学行星形成年龄释 age of planet formation行星形成年龄从行星物质增生到几乎具有现在质量这一阶段至今的时间。
随便看	principal disjunctive normal form principal distribution parameter principal divisor principal dual ideal principal element principal element elimination principal elliptic term principal enumeration principal equation principal escaped point principal factor principal fiber bundle principal fiber space principal fibration principal filter principal focus principal for facet sequence principal form principal formula principal fractional ideal principal fractionary ideal principal function principal function classes principal functor principal fundamental solution

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。