Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/adbc3f45a3c55124dd13cce098d2a8c2.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 seismogram是什么意思，seismogram的翻译，seismogram音标、读音、用法和例句_绍翊字体网有道词典
The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded on a seismogram at a certain period. 地震级别是根据某一时期震动图记录的地震波振幅的对数值计算的。