电力电子电路与系统中的复杂行为已经成为近年来电力电子学研究中的一个重要分支，受到了广泛的关注。

Researches on the complex behavior of power electronic circuits and systems have become an important branch in power electronics, and received great attention.

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本文介绍一个最近由我们研制成功的电子电路图自动输入系统的构成与特点。

This paper describes the structure and features of an automatic input system for the electronic circuit diagrams.

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