“周期--时期--〈地〉纪”概念、定义、翻译-科学时代

单词	周期--时期--〈地〉纪
释义	水利水电词汇手册 period 时期；周期；〈地〉纪
随便看	merger arbitrage merger by absorption merger by purchase merger of offences merger of title merger remnent merger wave merge sort merge sorting merging merging merging merging efficiency merging galaxy merging of households merging star merian mericarp mericarp meridian meridian meridian meridian meridian meridian

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。

period