audiolcatoraudiolocatorauditory direction findermountain goatphonozenographsonic apparatussonic detectorsonic locatorsonicatorsound locatorsound radarsoundlocatersoundlocator声波定位: sound fixing and ranging器: implement; utensil; ware超声波定位器: dodar determination of direction and range; ultrasonic locator声波定位器,声纳: soundlocator【物理学】声波定位器。: sound locator下载手机词典可随时随地查词查翻译