Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/e0aa09f3cf75585100dcd9ff57219138.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 sound ranging英英字典_sound ranging剑桥英语解释_sound ranging柯林斯英文解释_果味酸柯林斯词典
1. N the determination of the location of a source of sound waves by measuring the time lapse between their transmission and their reception at microphones situated at three or more known positions 聲波測距法