一、光照图的类型有关地球的光照图,是初高中地理知识结合、考查学生知识和能力的一种常见的图形,要求学生必须掌握。现以常见的地球光照图中俯视图、侧视图和变视图的解题方法介绍如下:1.地球光照俯视图极地投影图中心为极点,外圈为赤道,分南半球投影图和北半球投影图(如下所示)。每种光照情况以晨昏线分出夏至、冬至、春分、秋分,所视的区域为一个 First, the type of light map The light map of the earth, is a common graph of the combination of junior high school geography knowledge, examines student knowledge and ability, require students must master. The solution methods of the top view, side view and variable view in the common earth light map are as follows: 1. The top view of the earth’s light The polar map center is the pole, the outer ring is the equator, and the south hemisphere projection map and the northern hemisphere projection map (as follows Show). In each light condition, the summer solstice, winter solstice, equinox, and equinox are separated by the twilight line.