提高电弧炉炼钢生产率主要基于以下几项新技术，包括改善电弧炉电效率、强化供氧技术、智能控制技术（专家系统）等。
The primary new technologies that improve the productivity of EAF mainly include EAF power input technology, oxygen input technology and EAF intelligent control technology(expert system).
本文以并联型注入式混合有源滤波器为基础，就其设计与应用的几项重要技术进行了研究，论文主要包括以下几个方面的内容。
In this paper, based on a new type of parallel hybrid APF, some key technologies during the design and applications are mainly researched.
本文以并联型注入式混合有源滤波器为基础，就其设计与应用的几项重要技术进行了研究，论文主要包括以下几个方面的内容。
In this paper, based on a new type of parallel hybrid APF, some key technologies during the design and applications are mainly researched.
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