两名盲人受试者通过敲击和听其回声来辨别诸如汽车、树或棋杆等物件。
Two blind subjects used clicks and their echoes to distinguish objects like a car, tree or flag pole.
那里的统计员通过听青蛙的叫声来辨别青蛙的种类，然后给出数量的估计。
Volunteers listen for frogs, identify the species, and give population estimates.
利用查询法、目测法、声响检听法、触摸感觉法、气味辨别法可以迅速的查出故障点，简化修理程序，缩短修理时间。
The fault points were found, the repair was simplified and the repair cycle was shortened by check, eyeballing, audition, feeling and odor.
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