Bat detector

A bat detector is a device used to detect the presence of bats by converting their echolocation ultrasound signals, as they are emitted by the bats, to audible frequencies, usually about 300 Hz to 5 kHz. There are other types of detector which record bat calls so that they can be analysed afterwards, but these are more commonly referred to by their particular function.

单词	Bat detector
释义	Bat detector 原声例句 VOA常速英语_科技 And that's coming through the bat detector. 这是通过蝙蝠探测器发出的。英语百科 Bat detector A bat detector is a device used to detect the presence of bats by converting their echolocation ultrasound signals, as they are emitted by the bats, to audible frequencies, usually about 300 Hz to 5 kHz. There are other types of detector which record bat calls so that they can be analysed afterwards, but these are more commonly referred to by their particular function.
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