Law formulated by the embryologist E. K. von Baer (1792–1876) stating that the early stages of development in animal species resemble one another, the species diverging more and more as development proceeds.
科学参考收录了60776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。