Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/ad6491ed890a5a36421b709505bf83c8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 video-frequency amplifier例句_video-frequency amplifier英汉例句_video-frequency amplifier双解例句_食材铺反向词典
An intermediate frequency(IF) variable gain amplifier(VGA) for DVB-C(Digital video broadcasting-cable) standard is presented in the paper. 设计了一种适于DVB-C标准的中频可变增益放大器。