Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/774d3d79b056fd4e0da26c505245cb88.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 Frii例句_Frii英汉例句_Frii双解例句_贰靶汉英词典
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。