国旗是国家的标志,是国家的象征。国旗上的图案、样式、颜色、比例均由国家宪法规定,不同国家的国旗它所表达的含义也有所不同,内容丰富多彩,不仅反映了不同的政治、经济、文化、宗教和民族精神,也反映了当地的自然环境,其间包含了众多的地理知识。一、国旗上的植物有些国家国 The national flag is a symbol of the country and a symbol of the country. The pattern, style, color, and proportion of the national flag are stipulated by the national constitution. The national flags of different countries have different meanings and rich and colorful contents, which not only reflect different political, economic, cultural, religious, and national spirits, but also It reflects the natural environment of the area and contains a great deal of geography knowledge. I. Plants on the national flag Some countries