“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	Sixty-four Villages of Eastern Heilongjiang River Sixty Stories Sixty Years of Chinese Opera Education Sixuan Ji six-vector six-vertex entropy constant six-vertex model six words apothegm six-yang pulse six-yin pulse Six Zaju Plays by Xu Hongqing Six Śramaṇa Masters Siyang Xian Si Yi Siyinzhai Studio’s General Collection of Ci-Poetry Siyi Subgroup of Yue Dialects Siyouzhai Studio's Comment on Calligraphy and Painting Si Yue size size-class distribution model size consistency size constancy size curve of bave size dependence size design

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。