“principal”概念、定义、翻译-科学时代

单词	principal
释义	国际贸易词汇手册 principal 本金；委托人
随便看	power series power series power series expansion power set powershift power shovel power signal power source power source power source power source welding voltage power spectral density power spectral density power spectral density power spectrum power spectrum power spectrum power spectrum power spectrum power spectrum power spectrum power spectrum power spectrum power spinning power station

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。

principal