Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/cf6ac46039eccccbe83b0087919445d6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 audible threshold例句_audible threshold英汉例句_audible threshold双解例句_绍翊字体网有道词典
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。