This paper, firstly, puts forward its power supply method and developmental tendency, presents the research background at home and abroad.

本文一开始介绍了通信电源系统的国内外研究现状及其供电方式，并讨论了其发展趋势。

youdao

This paper, firstly, puts forward its power supply method and developmental tendency, presents the research background at home and abroad.

本文一开始介绍了通信电源系统的国内外研究现状及其供电方式，并讨论了其发展趋势。

youdao