“白垩”的概念、定义、翻译、参考文献-科学参考

单词	白垩
释义	白垩 Encyclopedia 工学[矿物材料]释 chalk白垩主要由显微粒状石灰质岩石和海生生物（如贝壳、有孔虫等）的遗骸以及颗粒细小（0.01～0.0005毫米）的方解石组成的一种生物化学沉积岩。理学白垩释 chalk白垩白色疏松土状的石灰岩。
随便看	recipient design recipient plant reciprocal reciprocal algebra reciprocal altruism reciprocal backcross reciprocal basis reciprocal cell reciprocal conjugation reciprocal correspondence reciprocal cross reciprocal crosses reciprocal curve reciprocal determinant reciprocal determinism reciprocal difference reciprocal difference quotient reciprocal division reciprocal element reciprocal equation reciprocal factorial reciprocal Fibonacci constant reciprocal figures reciprocal function reciprocal ideal class

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。