Several open source tools are handy for working with GIS data.

有几个开源工具可用于GIS数据。

youdao

GIS data stored within a PostgreSQL database are fully searchable using SQL-92.

存储在PostgreSQL数据库中的GIS数据完全可以使用SQL - 92搜索。

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Applications store GIS data using two distinct data structures: raster data and vector data.

应用程序使用两种不同的数据结构存储GIS数据：栅格数据和矢量数据。

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Introduction of GIS for the data collection process was a new concept within the government circles and an interesting and rewarding accomplishment for the Project Team.

UNESCO: CULTURE

For instance, in two Hindi-speaking states in northern India the government has used GIS to plot parcel data.

FORBES: Map Mania

According to Pueblo County GIS Manager Chris Markuson, their economic gardening program partners with the library to provide GIS-driven market data to private businesses for free.

FORBES: With Spring in Full Bloom -- Have You Gardened Your Economy Lately?