磷素是红壤地区农业生产的最重要的限制因素,因此红壤磷素形态与转化问题的研究,对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.
结合编制某市市区污水管网系统专业规划,分析和研究了东南沿海地区类似老城区排水管网系统规划与设计需要注意的几个问题。
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.
本文旨在通过对明清时期大同地区人口与环境问题的初步研究,达到关怀现实、为解决当代社会日益严峻的人口问题提供借鉴的作用。
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.
本文特选择《西部商报》为个案,通过对其广告市场及其培育的现状、问题与对策的研究,试图为西北欠发达地区都市类报纸广告市场培育与开拓提供一定启示。
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.
面向东、南沿海地区的气候和海洋灾害问题,研究数值预警相关的高效能计算优化理论与关键技术。
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.
研究解决调峰气价与地区差价问题。
Solving the issues of peak adjustment gas price and regional gap in the price.
本文以豫南地区已发掘的八处二里头时期遗存为研究对象,在与周邻地区同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、分区以及传播路线等问题。
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.
本文选择塔中地区塔中1井下奥陶统藻纹层白云岩与夹层竹叶状白云岩作为对象,应用岩石学与地球化学方法对其成因问题进行了研究。
In this paper, the straticulate dolostone and spatulate dolostone in Lower Ordovician strata of Well Tazhong 1 were studied using petrologic and geochemical methods.
从上个世纪初开始,国内外学者就这一地区中新生代的地质与构造问题开展了大量的研究工作,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.
对岩溶水进行准确及时的超前地质预报,是当前岩溶地区隧道设计与施工中亟待研究与解决的关键问题。
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.
对岩溶水进行准确及时的超前地质预报,是当前岩溶地区隧道设计与施工中亟待研究与解决的关键问题。
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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