“一阶的”概念、定义、翻译-科学时代

单词	一阶的
释义	数学词汇手册一阶的 first-order
随便看	person-oriented family person perception person perception person-role conflict person search person-time person-time incidence rate person to goods person-to-person call person-to-person communication person under guardianship person-year person-years at risk perspective perspective perspective perspective perspective perspective perspective axis perspective axis perspective distortion perspective drawing perspective drawing perspective effect

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。