查询词典 gis

As compared with the conventional relational database ,the GIS dat abase has a great deal of merits.

与传统的关系数据库相比，基于GIS的数据库具有不可比拟的优点。

Data Structure Design and Actualization of GIS-based Micr-Simulation System of Road Network.

基于GIS的微观仿真路网数据结构设计和实现。

First, the paper analyses the technology background, research of present condition and hard device condition of the embedded GIS. Then on the base of that, the paper has made the structure of EGIS.

本文首先分析了Embedded GIS发展的技术背景和研究现状以及开发Embedded GIS的软硬件特征，并在此基础上设计了EGIS的总体结构。

This is a designed and empoldered independently system which includes the basic functions of Web GIS. And it is a rewarding practice in the field of Web GIS, and has great future in the developing fields.

本系统自主设计、自主开发完成了网络地理信息系统的一些基本的功能，是网络GIS方面一次有意义的尝试，具有良好的发展前景。

However, along with the use in a deep going way, most users find that the forest reserves map which is built by traditional vector data models in GIS is different from the real.:In traditional forest distribution map, we give tacit consent to the fact that the forest is represented by a polygon, whose boundary is taken as a abrupt change between different types and the interior of the polygon is regarded as uniform.

随着应用的深入，很多用户发现通过传统GIS的矢量模型模式构建的森林资源图上所表示的信息与客观世界中森林的分布是有差别的：基于传统的GIS矢量模型下构建的森林分布图中，多边形的边界默认为一种突变，同时森林内部被认为是均匀的。

The realization of the application provides a visual analyzing tool for a number of the real-time decision problems in urban logistics distribution. The results also will improve the integration of GIS-based isolines and urban logistics distribution.

基于GIS的城区物流配送等值线生成系统为用户提供了可视化的操作平台，为城区物流配送问题决策提供分析工具，也为GIS等值线在城区物流配送中的应用展开了初步的研究。

The conventional symbol library is binding on its platform, and the GIS can not share their symbol library, so it brings out a number of repetitive labors, prolongation of construction project.

传统的符号库是平台相关的，无法在不同GIS系统之间实现共享，造成了大量的重复劳动，延长了GIS项目的建设周期。

It is the characteristic of the system. In many systems, GIS is only a plat of information displaying.

本监控系统设计的特点是基于GIS进行设计，采用了组件式GIS开发平台MapX，实现电子地图绘制以及对电子地图的各项操作等功能。

A thesis : campus GIS and information systems inquiries, intr...

一篇论文：校园GIS及信息系统查询，介绍GIS系统的制作过程与方案。

The distribution management information system that based on Java and GIS technology describes the function of the dist...

提出了GIS 的应用在Java开发环境下配电管理系统的应用解决方案，对应用GIS中出现的数据共享、冗余性的消除以及空间数据和属性数据相关联等问题提出了解决方法。

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。