“superheterodyne receiving”的概念、定义、翻译、参考文献-科学参考

单词	superheterodyne receiving
释义	superheterodyne receiving 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	Wild Geese Descending on the Sandbank wild ginseng wild goose Wild Grass Wild Grass Soceity wild group wild knot wildlife allowed for commercial utilization wildlife domestication and breeding center wildlife management wildlife monitoring wildlife monitoring by line transect method wildlife monitoring by point sampling method wildlife monitoring by quadrat sampling method wildlife park wildlife picture index Wildlife Protection Law of the People's Republic of China wildlife rescue center wildlife synchronous survey wildlife tracing wildlife with extremely small population wildly embedded set wildly ramified extension wild manifold wild medicinal material resources law

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。