“basic rock”的概念、定义、翻译、参考文献-科学参考

单词	basic rock
释义	basic rock Encyclopedia 理学基性岩释 basic rock基性岩富铁镁矿物和钙质斜长石的火成岩。二氧化硅含量为45%～52%，色率一般为35～65，故颜色较深，多呈中灰色至深灰色。
随便看	unit circle unit class unit combination instrument unit commitment unit complex hyperball unit complex number unit construction area unit-coordinated control system unit crystal unit cube unit curriculum unit disc unit disk unit disk integral unit distance unit-distance graph unit distribution unit divisor unit doublet unit dyad united UnitedAfricanNational Congress United Aircraft Corporation Corporation United Arab Emirates' Drama United Arab Republic

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。