“normal series of age gradations”的概念、定义、翻译、参考文献-科学参考

单词	normal series of age gradations
释义	normal series of age gradations 模式令级序列
随便看	Cherminae Chernozem chernozem chernozemic soil chernozem-like soil chernozem soil cherokee rose cheromania cherophobia cherry cherry aphid cherry-apple tree cherry birch cherry coal cherry curculio cherry fruit fly cherry-laurel oil cherry-like hemorrhoids cherry pepper cherry picker cherry-picker cherry plum cherry processing cherry-red spot in macula cherry sawfly

科学参考收录了1248194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。