查询词典 gis

The spatial data model is the base of GIS data organization,expression,analysis,processing and application.

空间数据模型是GIS实现空间数据组织、表达、分析、处理和应用的基础。

With the development of GIS, data transformation and sharing become more important.

随着GIS技术的不断发展，数据的转换和共享显得日益重要。

In this paper, The power grid planning system that utilize the computer network, share the information of SCADA, Customer Information System, Production Management System, explore new mathematics model, help the user planning based on GIS technology, space load-forecast and decision making will be discussed. The system will help the power supply company to allocate power substation appropriate, bring great economic benefit with limited investment and improve its planning level.

本文探讨了如何通过计算机网络，共享自动化系统、营销系统、输配电管理系统等系统的已有资源，采用适当的数学模型，实现基于GIS的空间负荷预测和电网规划辅助决策功能，合理和适时地配置电源，优化网络的结构，使电网具有可扩展性和可持续发展的能力，从而使有限的投资可以发挥最大的经济效益，使目前的电网规划工作提高至一个新的水平，适应新形势的要求。

However, the automatic depiction of earth's relief is one of the most difficult tasks in GIS.

然而，地球的安心的自动描述是其中一个难题在GIS。

Secondly it introduces detailedly GIS technology which is used in the system.

其次详细介绍了系统中所使用到的GIS系统技术。

By way of field experiment, the determinacy non-mechanism model based on GIS was developed and verified, and then applied to regional phosphorus behavior simulation.

通过田间试验开发和验证基于GIS的确定性的非机理模型，并将其应用于区域磷素行为模拟。

GIS(Geographical Information System) provides a good solution to digitize and computerprocess the geographical information.

地理信息系统GIS(Geographical Information System)为地理信息的数字化和计算机处理提供了解决方式。

I gis contained web site development, Yu directed the shortest path query procedures, speed express routes, 30,000 nodes, all 35,000 traverse the road, only a seconds.

本人载网站开发gis，游自编的最短路径查询程序，速度特快，3万节点，35000条路全部遍历，只需1秒。

Using circle distance method and GIS software, we obtain the detailed data on Shanghai's population distribution at street/town level, based on the 4th and 5th Population Census.

文章首先运用圈层距离法和GIS分析软件，在全国第四次和第五次人口普查数据中提取并获得上海市街道人口分布数据。

Construction and application of GIS-based power distribution management system.

基于GIS的配电网管理系统的建设与应用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。