“超外差接收”的概念、定义、翻译、参考文献-科学参考

单词	超外差接收
释义	超外差接收 Encyclopedia 工学【通信基础理论】释 superheterodyne receiving超外差接收将接收到的已调高频信号（即调制后的高频信号）送到混频器，然后与本地振荡器所产生的高频信号进行混频，在其输出端得到的波形包络形状与输入高频信号相同，但频率却降为某一固定中间频率（简称中频）的信号接收技术。
随便看	quasi-unipotent group quasi-unipotent problem quasi-unipotent representation quasi-unit quasi-unitary matrix quasi-universal class quasi-unmixed domain quasi-variable quasivariable quasivariational quasivariational inequality quasivariational inequation quasi-variety quasi-variety of algebraic systems quasi-variety of groups quasi-vector quasi velocity Quasi-War with France quasi-wood engravings on the coffin unearthed at Prince Yongtai’s tomb Quasi-Zenith Satellite Quasi-Zenith satellite system quasi-zenith satellite system quasi-zero-dimensional quassia quassia family

科学参考收录了854744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。