Relationships between plant community characteristic index and soil factors in Alice Lake wetland;
艾里克湖湿地植物群落特征指数与土壤因子的关系
The limitation of the geometric optics and Airy theory is discussed.
讨论了几何光学和艾里理论局限性 ,将米氏理论和几何光学结合 ,对彩虹现象给予了更为合理的解释。
