Some bats have specialized structures for emitting echolocation calls.

一些蝙蝠已经把用于发出回声定位叫声的结构专门化了。

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This paper preliminarily presents the concept of artificial neural networks and explains how to use this technology, focusing on the study of echolocation calls in bats.

本文概括地介绍了人工神经网络的概念以及这项新技术的研究方法，并且重点介绍了它在蝙蝠回声定位叫声识别方面的应用。

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