“primary frequency”的概念、定义、翻译、参考文献-科学参考

单词	primary frequency
释义	primary frequency [`prī´mer·ē `frē·kwǝn·sē] ^{COMMUNICATIONS} Frequency assigned for normal use on a particular circuit or communications channel.
随便看	divining rod divinyl divinyl acetylene divinylbenzene divinyl ether divinyl oxide division division algebra division circle division modulo p division plate division ring division sign division subroutine division wall divisor divisor of zero dixenite Dixidae dizygotic twins djalmaite djave butter djerfisherite Djulfian D layer

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。