Warning: file_put_contents(): Only 0 of 5373 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 Frii是什么意思，Frii的翻译，Frii音标、读音、用法和例句_菜篮子兴趣思朗文词典
Radio sources were divided by Fanaroff &Riley (1974) into two classes, now known as Fanaroff and Riley Class I (FRI), and Class II (FRII). 来自电波喧噪活跃星系的电波发射是同步加速辐射，被臆测是非常平滑的、自然的宽频和高度偏振。