介绍了国外汽车功能涂料的现状和发展趋势。
Current situation and development trend of overseas functional coatings for automobiles are presented.
本文首先介绍了智能断路器的特点、现状和发展趋势等。
This paper first introduced the characteristics of intelligent devices, such as the status quo and development trend.
本文叙述了国内外小型电池生产、技术的现状和发展趋势。
The status and progress of small batteries production and technology at home and abroad are described.
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