This paper deals with city power distribution network structure and protection configuration matched to it. Moreover, it discusses the methods and basic functions of power distribution automation.
探讨了合理的城市配电网网络结构及与其匹配的保护配置方案，并在此基础上探讨了配电网自动化实现的手段及其基本功能。
Histogram as the characteristic template of target and matched based on color distribution has good stability in the complex background image.
在复杂背景的图像中，用直方图作为目标的特征模板，依据颜色分布进行匹配，具有较好的稳定性。
Meanwhile the pipe is also matched with tee joint for gas distribution and elbow pipes as well as steel clamps, which have been proven for 20 - year use.
还配套生产了三通导气管、弯头导气管和钢钉管道固定夹。理想寿命20年。
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