了解电力系统短期负荷预报的现状，总结国内外的研究方法。
Looking into the present condition of power system short-term load forecast and summarizing research method in the world.
并针对当前城市老街区的特质和现状，总结探讨了城市老街区保护更新的原则与方法。
According to old street's characteristics and situation some principles and methods for its protection and regeneration are summarized and discussed.
介绍了国内外刚性组合装药研究现状，总结了刚性组合装药研究方法，并针对刚性组合装药的研究提出了一些建议。
This paper introduces the development and current situation of modular charge technology, summarises the research ways, with suggestions given to the research of modular charges.
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