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1·This paper presents the AVC system of North China Grid and discusses the design and realization of Anding substation.

对华北电网自动电压控制系统的实验运行进行了介绍，研究讨论了安定子站的设计及实现。

2·Some examples of application of AVC to machinery, architectural structure and noise control engineering are also given.

例举了有源振动控制在机械、建筑、噪声控制工程中的若干应用；

3·The H. 264/AVC has become the research focus nowadays. This thesis mainly does research on the key algorithm of the H. 264 standard and focus on the road image sequences.

本文主要对H．264编码过程中的快速算法进行研究，侧重于道路导航图像序列的压缩编码研究。