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In this paper, the technical and economical indices for urban distribution system planning are studied systematically.
本文对城网规划技术经济指标进行了比较系统的研究。
In addition, because the model system can correctly simulate space-time distribution of pollutants, it has a wide application foreground to urban air pollution prevention planning.
此外，该模式系统由于能够较为准确地模拟城市范围内污染物的时空分布，在城市空气污染防治规划方面具有较为广泛的应用前景。
Both the current urban power network reconstruction project and the coming distribution system automation project need wiring mode planning and design.
目前正在进行的城市电网建设改造工程和即将实施的配电系统自动化建设工程都要求对配电网的接线方式进行规划设计。
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