Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/4bcc3f58c1d53141edf123c6a7fd5aef.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 radio astronomical receiver例句_radio astronomical receiver英汉例句_radio astronomical receiver双解例句_果味酸柯林斯词典
Microwave receiver system is the indispensable signal receiving equipment in radio astronomical observations. 微波接收机系统是射电天文观测不可或缺的信号接收设备。 journal.yeyanet.com.cn