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范遥当年可是天下少有的美男子，位居明教光明右使。Similar to the development of children from appearance and color to older children, they can be classified according to concepts. For example, if they know the concept of "food", no matter what kind of vegetables they look like, they should be classified into one category. The classification of biology has also developed in this way. The earliest method is to identify and distinguish species according to phenotypic characteristics, and to classify them step by step according to the degree of phenotypic similarity, so as to establish a classification system that is easy to retrieve. This is the principle of phenotypic classification. However, the problem of phenotypic classification is that it is difficult to reveal the essential laws of things. Many creatures with very different shapes may have kinship relationships. For example, the online sentence "When I knew sunflowers belonged to Compositae, I collapsed" is what it means.Is to create a factory class to create instances of some classes that implement the same interface. First, look at the following diagram:审计局年轻干部金岚岚到叶集村任职选派干部，一直生活在城市的她刚入农村，格格不入。面对村里人的质疑，金岚岚没有选择争辩，而是选择用自己的努力去赢取村民的信任……　　—Sarah Moore Grimké, activist for women’s suffrage, 1837No. 93 Hrithik Roshan《经山历海》改编自获得中宣部第十五届精神文明建设“五个一工程”奖的长篇小说《经山海》，由山东作家赵德发创作。故事讲述了性格直爽的市区干部吴小蒿（王丽坤 饰）为梦想毅然报考楷坡镇副镇长，上任后与经验老到的镇长贺丰收（张国强 饰）扎根基层一起工作、努力、奋斗的平凡故事。