近年来，地理信息系统（GIS）是储存和处理与地理空间分布有关信息的集合。
Recently, geographical information system (GIS) is the combination of savior and operation and information regarding distribution of geographical space.
根据空间自相关性，可以用普通克里格法和反距离加权平均法生成插值图。 所产生的多幅地图较合理地显示了小麦白粉病的地理空间分布格局。
Based on these results, interpolated graphs could be created with Ordinary Kriging and IDW methods to show the overall pattern of geographic distribution of wheat powdery in China.
它方便获得当地和分布式地理空间信息目录，提供可立即下载的数据、图表和文件。
It enables easy access to local and distributed geospatial information catalogues and makes available data, graphics, documents for immediate download.
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