You can select the time range for the report, the frequency of the data points, along with the measures for the report.
您可以选择报告的时间范围、数据点的频率，以及用于报告的度量。
You can easily list tables containing spatial data and select tables to display as a map using a combination of points, lines, and polygons.
可以很方便地列出包含空间数据的表，并可将表展示为由点、线、和多边形组成的图。
To select representative monitoring points is a prerequisite for deciding whether monitoring data illustrate the said area situation.
选择有代表性的监测点，是决定监测数据能否对该区域的状况进行描述的前提。
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