回声定位是某些动物通过口腔或鼻腔把从喉部产生的超声波发射出去，利用折回的声音来定向的方法。
“回声定位法”能自创影像。
他们同样发现病人也没有利用蝙蝠的回声定位法。
They also found no evidence that the patient was navigating by echolocation, the way that bats do.
这一方法被称为“回声定位法”，是一种借助物体产生的回声来识别其方位的方法。
It's called 4 echolocation, a technique that USES sound to identify objects by the echoes they produce.
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