“蓟县群”的概念、定义、翻译、参考文献-科学参考

单词	蓟县群
释义	蓟县群 Encyclopedia 理学蓟县群释 Jixian Group蓟县群华北燕山地区长城群和南口群之上、青白口群之下的以页岩和白云岩为主的中元古代地层。
随便看	typological interpretation typological theory of higher nervous activity typological variables typology typology of architecture typology of derivation typology of education typology of inflection typology of negation typology of polar questions typology of political parties typology of predication typology of word classes typomorphic mineral typoon disaster Tyr tyramine tyrannical power tyrannosaurs tyranny of the majority tyratron tyre Tyrone Guthrie Tyrone Power tyrosine

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。