Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/797981ee35689c88b7ec3da2cc1c6c94.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 heterodyne receiver例句_heterodyne receiver英汉例句_heterodyne receiver双解例句_流逝汉英词典
According to the research and analysis of structure in several receivers, this paper brings forward a solution based on the superheterodyne receiver. 在分析研究各種接收機結搆的基礎上，論文提出了基於超外差接收機的解決方案。