• 磷素红壤地区农业生产重要的限制因素因此红壤磷素形态转化问题研究红壤地区农业生产具有重要意义。

    Phosphorus(P) is the limiting factor for agricultural production in red soil regions, so the study about P forms and transports can be meaningful to agricultural production in red soil regions.

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  • 结合编制某市市区污水管网系统专业规划分析研究东南沿海地区类似老城区排水管网系统规划设计需要注意几个问题

    In compiling a sewer system program in downtown area, the problems deal with the planning and design of sewer network in old township districts in south east seashore area were discussed.

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  • 本文旨在通过对明清时期大同地区人口环境问题初步研究达到关怀现实解决当代社会日益严峻的人口问题提供借鉴作用。

    This article wants to attain the concern of actuality with the period and provides lessons to resolve the increasingly rigorous population problem in contemporary society.

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  • 文特选择西部商报个案通过广告市场及其培育的现状问题对策研究试图为西北欠发达地区都市类报纸广告市场培育开拓提供一定启示。

    In this paper, the "Western Business Daily" is chosen as a case to study the advertising market through its status, problems and countermeasures, in an attempt toe.

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  • 面向沿海地区气候海洋灾害问题研究数值预警相关高效能计算优化理论关键技术

    Facing the climate and ocean hazards of east and south coastal regions, high-performance computing optimization theory and key technologies related to numerical early warning system are developed.

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  • 研究解决调峰地区差价问题

    Solving the issues of peak adjustment gas price and regional gap in the price.

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  • 本文豫南地区已发掘处二里头时期遗存研究对象,在周邻地区时期遗存作对比研究的基础上,综合分析了豫南地区二里头时期遗存的分期、分区以及传播路线问题

    Based on the findings of eight sites in this region, and compared with the adjacent area, this paper discusses the periodization, demarcation and spread routes in the period of the Erlitou culture.

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  • 本文选择塔中地区塔中1井下奥陶统藻纹层白云岩夹层竹叶状白云岩作为对象,应用岩石地球化学方法对其成因问题进行研究

    In this paper, the straticulate dolostone and spatulate dolostone in Lower Ordovician strata of Well Tazhong 1 were studied using petrologic and geochemical methods.

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  • 上个世纪开始,国内外学者地区新生代的地质构造问题开展大量研究工作取得了许多重要的认识。

    From the beginning of the last century, many researchers have been focused on the Mesozoic stratigraphy and tectonics in this area and much progress was done and achieved.

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  • 岩溶水进行准确及时超前地质预报当前岩溶地区隧道设计施工亟待研究解决关键问题

    The exact and timely geological prediction is the critical problem most needed to be studied and solved in the design and construction of tunnels in karst zone.

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  • 岩溶水进行准确及时超前地质预报当前岩溶地区隧道设计施工亟待研究解决关键问题

    The exact and timely geological prediction is the critical problem most needed to be studied and solved in the design and construction of tunnels in karst zone.

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