“叠层石”的概念、定义、翻译、参考文献-科学参考

单词	叠层石
释义	叠层石 Encyclopedia 理学微体古生物学释 stromatolites叠层石由营光合作用的原核生物（蓝藻和细菌）所建造的一种生物沉积结构，是前寒武纪未变质的碳酸盐沉积中最常见的一种“准化石”。
随便看	quadratic curve discriminant quadratic cylinder quadratic dependence quadratic deviation quadratic diameter quadratic differential quadratic discriminatory analysis quadratic divergence quadratic domain quadratic dual quadratic dual problem quadratic dual space quadratic effect quadratic eigenvalue problem quadratic electro-optical tensor quadratic electrooptical tensor quadratic electro optic effect quadratic electro-optic effect quadratic element quadratic equation quadratic equation with one unknown quadratic error quadratic estimator quadratic expression quadratic extension

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。