“单起源”的概念、定义、翻译、参考文献-科学参考

单词	单起源
释义	单起源 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	characteristic of a logarithm characteristic of an integral equation characteristic of a ring characteristic operator characteristic operator function characteristic parameter characteristic parameter of antenna characteristic piece characteristic plane characteristic p-method characteristic point characteristic polynomial characteristic polynomial of a graph characteristic polynomial of a matrix characteristic quadratic form characteristic radius characteristic ray characteristic ray cone characteristic ring characteristic root characteristics characteristics and evaiuation of industrial catalyst characteristics and patterns of urban spatial structure in China characteristic section of stage characteristic sensitivity

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。