“香溪煤系”的概念、定义、翻译、参考文献-科学参考

单词	香溪煤系
释义	香溪煤系 Encyclopedia 理学早-中侏罗世煤系释 xiangxi coal measures香溪煤系湖北中西部、鄂东南及川东北地区下侏罗统香溪群或香溪组含煤地层。
随便看	principal diameter principal dielectric axes principal direction principal direction of curvature principal discrete series 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

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。