地理统计图是一种直观、形象地表示地理数据的主要方式,也是地理图像系统的重要组成之一。常见的地理统计图包括等值线图、面积图、柱状图、饼状统计图、线状统计图、累计百分地图和三角坐标图等。近几年全国各地的高考试卷中还出现了一些特殊的地理统计图,由于学生平常见得少 Geographical maps are a primary way of representing geographical data intuitively and visually, and they are also one of the important components of geographic imagery systems. Common geographs include contour plots, area plots, histograms, pie charts, line charts, cumulative percentiles, and triangular plots. In recent years, some special geographical charts have appeared in the examination papers across the country, which are rarely seen in students.