“single origin”的概念、定义、翻译、参考文献-科学参考

单词	single origin
释义	single origin Encyclopedia 理学单起源释 single origin单起源某个性状或生物类群的所有现存后裔来源于一个最近的共同祖先或一次独立的演化事件。
随便看	expansion-free expansion-gear expansion in a continued fraction expansion in an infinite product expansion in an orthogonal series expansion in a power series expansion in a series expansion in partial fractions expansion in series expansion in terms of eigenfunctions expansion joint expansion joint of bridge deck expansion joints expansion lag expansion limit device expansion limit device technology expansion method in term of eigenfunctions expansion module expansion of a determinant expansion of a fraction expansion of a function expansion of a function in series expansion of decreasing dimension expansion of education expansion of enrollment in colleges and universities

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。