从特例中寻找解答一般问题的突破口

Breakthrough to Find Answers of the General Problem from the Special Case

以二分二至日光照图为研究模型,挖掘图中的显隐性信息,分析总结出相关的结论和规律,能为解答一般光照图中的问题提供思路和方法.

The article takes the illumination map ofvermal equinox autumn equinox midsummer and midwinter as the re- search model. Find out the explicit and implicit information of the map, analysis and summary the relevant conclusions and rules, provide the idea and methods for answer the question of general illumination map.