查询词典 gis

Their research include subjects in halobios, chemistry, geology, hydrology, remote sensing and GIS.

中心目前主要从事海洋生物、化学、地质、水文、海冰、遥感与地理信息系统等专业学科研究与技术应用。

Based on spatial pattern of physical environment and socioeconomic status, the causes of desertification in the headwater area of the Yellow River are discussed using geographical information system and remote sensing.

根据黄河源区的自然环境条件、社会经济发展状况，在GIS的支持下对沙漠化发生发展的物质条件、气候条件以及人类活动等影响因子的空间格局特征、规律和变化趋势进行了定量分析。

Removal of hexavalent chromium from aqueous solution by iron nanoparticles.

基于 GIS 的并行和分布式处理技术在水信息领域中的应用。

They kept down the grass at bases with it , and the GIs hosed each other with it for fun .

他们用它来除空军基地的草，美国士兵也用软管互相喷射它来取乐。

Testing for"K"、diffusivity"D"of wetland soil transmissivity and simulation of hydrologic processes of typical wetlands are made based on the indoor dynamic modeling experiment and the mathematic model simulations. The hydrologic response of river distinguish form that of the wetlands. And this is because that wetland has special hydrologic functions. The hydroperiod of wetlands is coincident with the precipitation period of watershed.

通过室内动态模拟实验测定了不同断面沼泽土壤的导水率K和扩散率D，水文数学模型RMA2模型和GIS相结合模拟了典型沼泽湿地的水文过程，河流和沼泽湿地的水文响向应具有明显的差异性，这是沼泽湿地水系统具有特殊水文功能的基础，沼泽的水文周期与流域降水周期是一致的。

Many functions of GIS is the base of reconstructing digital small area, they impenetrate the whole course of reconstructing digital small area.The paper does research on the development of 3D UGIS in the foremost.

本文主要是对数字城区的三维空间实体及其相互关系的描述与表达方法的应用研究，以及对现有的三维数字景观模型构建的方法与应用模式等方面的研究应用。

Gas insulated substations is used for the power system increasedly, the very fast transient over-voltages in GIS, which may damage the power equipment and adjacent devices, is paid an attention mostly.

随着气体绝缘变电站在电力系统中越来越广泛的应用，陡波前过电压对设备本身以及相邻设备的影响也就受到了越来越多的关注，为此人们也设计了多种方法来测量VFTO。

During the researchperiod, the researcher collects a great number of literatures and research data. On theadvanced bases, the paper summary the achievement of previous development innatural disaster risk research both in domestic and abroad for references. Starting fromearth systemic and scientific thought, the paper makes analysis on the maincharacteristics of natural disaster risk system and probes into the theories and methodsof natural disaster risk assessment. The paper apply Remote Sensing and GIStechniques to take apart the dynamic assessment ways and modes of natural disasterrisk in diverse scales cities, in order to provide scientific basis for urban disaster riskdecreasing and risk decision-making management.

在国家自然科学基金项目&中国沿海城市自然灾害风险评估体系研究&和重点项目&沿海城市自然灾害风险应急预案情景分析&的资助下，调查分析了中国沿海典型城市自然灾害发育特征及其风险管理，获得了大量的文献资料与数据基础上，借鉴国内外自然灾害风险研究进展的成果，从地球系统科学思想出发，分析了典型城市自然灾害风险系统主要特征，探讨城市自然灾害风险评估方法与理论，并应用遥感和GIS技术，剖析城市不同尺度下的自然灾害风险动态评估途径和范式，为城市综合减灾降险和风险管理决策提供科学依据。

While the governor make use of the GIS information system's assistance management and analyze with the determination, it can develop the scientific of the work, the normal levels, making use of every kind of information efficiently, increasing inspectional speed in search, promote the information shares.

据统计，现代化社会信息系统中有百分之八十五以上的数据均有地理属性，MapInfo 地图信息系统用地图、图形和图表等信息描述形势，通过对数据库的查询、操纵来实现对各类信息的分析处理，可以将结果清晰的，以地域分布或图表的形式显示出来。

Therefore, the dataset about soil resource information system are cross-subject and multilayer interweaving.

近年的实践也表明，在GIS的支持下建立土壤信息系统是普遍的趋势。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐