“valence”的概念、定义、翻译、参考文献-科学参考

单词	valence
释义	valence [`vā·lǝns] ^BIOCHEMISTRY The relative ability of a biological substance to react or combine. ^CHEMISTRY A positive number that characterizes the combining power of an element for other elements, as measured by the number of bonds to other atoms which one atom of the given element forms upon chemical combination; hydrogen is assigned valence 1, and the valence is the number of hydrogen atoms, or their equivalent, with which an atom of the given element combines. ^MATHEMATICS The number of lines incident on a specified point of a graph.
随便看	quadrature current quadrature modulation quadrature partial-response keying quadric cone quadric curve quadriceps quadriceps femoris quadrics quadric surface quadricycle quadridentate ligand quadrigeminal body Quadrijugatoridae quadrilateral quadrille paper quadrillion quadrinomial distribution quadriplegia quadripuntal quadruped quadruple-diversity system quadruple point quadruple thread quadruple vector product quadruplex circuit

科学参考收录了103327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。