“正常旋涡星系”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	正常旋涡星系
释义	正常旋涡星系 normal spiral galaxy
随便看	frequency scale frequency scrambler frequency selecting amplifier frequency selecting connector frequency selection frequency selective damping material frequency selective earphone frequency selective level indicator frequency-selective level indicator frequency selective network frequency selective system frequency selective voltmeter frequency (sensitive) detector frequency separating filter frequency series frequency-shared channel amplifier frequency shift adapter frequency-shift coding frequency-shift communication frequency shift communication system frequency shift compensation frequency-shift converter frequency shift data frequency shifted audio tone frequency shifter