“文书”概念、定义、翻译-科学时代

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。

单词	文书
释义	请查阅契约--文书--文件--票据
随便看	frequency drift rate frequency error frequency error frequency function frequency hopping frequency-hopping spread spectrum frequency hopping spread spectrum frequency hopping spread spectrum frequency-hopping spread spectrum (FHSS) frequency hopping spread spectrum (FHSS) frequency-hopping spread spectrum--frequency-hopping spread spectrum (FHSS) frequency hopping spread spectrum--frequency hopping spread spectrum (FHSS) frequency interpretation frequency interpretation frequency interval frequency-locking frequency-locking frequency management officer frequency matching frequency meter frequency meter frequency meter frequency method frequency mixing frequency modulated cyclotron