“石炭纪煤系”的概念、定义、翻译、参考文献-科学参考

单词	石炭纪煤系
释义	石炭纪煤系 Encyclopedia 理学石炭纪煤系释 Carboniferous coal measures石炭纪煤系石炭纪地层发育时期连续沉积形成的一套含有煤层并具有成因联系的沉积岩系。
随便看	function of negative jumps function of n variables function of one variable function of ordinal numbers function of penalty function of positive jumps function of positive type function of real variable function of retina function of semipermeable diaphragm function of several complex variables function of several variables function of singularities function of support function of the first kind function of the same order function of the second kind function of the third kind function of the university function of time function of translation criticism function of two variables function of unbounded variation function of urban forest function of vocational education

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。