“first approximation”概念、定义、翻译-科学时代

单词	first approximation
释义	机械工程词汇手册 first approximation 第一近似值；一次近似
随便看	vacuum thermopile vacuum thermopile vacuum thrust vacuum tight vacuum tower vacuum transducer vacuum transducer vacuum transistor vacuum trap vacuum-treated concrete vacuum treatment vacuum treatment installation vacuum tube vacuum tube vacuum tube vacuum tube vacuum tube vacuum-tube amplifier vacuum tube casting vacuum-tube heat collector vacuum-tube modulator vacuum-tube oscillator vacuum tube oscillator vacuum-tube rectifier vacuum tube rectifier

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。

first approximation