According to the features of main memory data, the data organizing mode and index structure Ttree are introduced.

根据内存数据的特点，介绍了其数据组织方式和索引结构T树。

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This paper firstly discussed data organizing form and data describing process of GIS thematic database and then probed into the process of thematic cartography of GIS.

首先讨论了GIS专题基础数据库的数据组织形式和描述过程，对GIS专题基础数据库的专题地图制图过程进行理论化的探索。

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Several pivotal problems are described in detail, such as acquisition and pick-up of data, organizing and storage of data, display of information, transmission of information in network and so on.

文中详细论述了系统实现的几个关键问题，如数据的采集与提取、组织与存储，信息的显示，网络中信息的传输等。

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Several pivotal problems are described in detail, such as acquisition and pick-up of data, organizing and storage of data, display of information, transmission of information in network and so on.

文中详细论述了系统实现的几个关键问题，如数据的采集与提取、组织与存储，信息的显示，网络中信息的传输等。

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