“二阶差分”概念、定义、翻译-科学时代

单词	二阶差分
释义	工程与技术词汇手册 second difference 二阶差分
随便看	summary possession summary procedure summary proceedings summary process summary punishment summary record summary statement summary table summary table summary trial Summa Theologica summation summation summation summation summation summation check summation convention summation law summation notation summation of series summation rule summation sign summation tone summative

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

second difference