Warning: file_put_contents(): Only 0 of 6115 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 audible threshold例句_audible threshold英汉例句_audible threshold双解例句_沉淀汉英词典
Watermark signal of the right channel whose magnitude is limited below the audible threshold, is used to control the detection threshold. 右声道水印信号为幅度限制在可听门限的白噪声，用来控制检测门限。