地图叠置法是将多种专门地图加以叠置以显示出有关地理事物之间相互联系及其规律性的方法。这是一种简单易行。行之有效,效果显著的用图方法。地理幻灯片给了我们以极大的启发。介绍经纬网的幻灯片,先出现地球和大大小小的纬圈,然后再用绘制有地球及其经圈的透明塑胶片重叠上去,就出现了一个经纬网。由简到繁,从浅入深,形象直观,富于动态,十 The map superposition method is a method of superimposing multiple specialized maps to show the relationship between geographical things and their regularity. This is a simple and easy approach. Effective, effective use of map methods. The geographical slide gave us great inspiration. Introducing the slides of the latitude and longitude network, the earth and the large and small latitudes first appeared, and then there was a latitude and longitude net with overlapping transparent plastic sheets drawn with the earth and its circle. From simple to complex, from shallow to deep, visually intuitive and dynamic, ten