Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/307b692e4ac892d90e93d6795475dacd.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. 微波接收機系統是射電天文觀測不可或缺的信號接收設備。 journal.yeyanet.com.cn