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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.童童刻苦钻研、习得足球必杀技，屡次在比赛中力挽狂澜，成为足球班的大功臣。不料球场风波接踵而至，童童等人被人陷害、误服兴奋剂，全队面临着禁赛的危机。在童童落魄之际，童童和夏雨终因性格不合分道扬镳。面对重重挑战和难关，五星体院足球班的少年们勤学苦练、日益精进，为成为中国足球的黑马而不懈努力。在历经诸多波折之后，童童渐渐和铁如兄弟的陈雅静暗生情愫，陈中、尚海瑞也收获了各自的爱情。热血少年，青春无悔，面对着不可预知的未来，众人勇敢逆风奔跑，携手再逆一次青春！2. The objective aspect of the crime is that the perpetrator has committed acts that illegally damage the health of others. Damage to the health of others mainly refers to damage to the integrity of human tissues or damage to the normal function of human organs. There are many kinds of means of injury, but no matter what kind of means are used, those who hurt others' bodies are all injuries.说它不能，徐文长才华横溢，却痴心乡试十八年，心无它物。H1. Operator ();　　本剧以国民时期为背景，通过身份不同、地位不同的几个年轻人的曲折经历，向人们展示了在那个军阀割据的年代，国人动荡的生活。该剧汇集了辛柏青、常戎、苏岩、汪芫、刘希媛等一批年轻演员。海润连续捧红了陆毅、苏瑾、袁立、陈坤等一批明星，此番《新刀马旦》的阵容能否再度创造偶像神话，就让我们拭目以待吧！想不到美丽的才女也会害羞啊，尹旭轻轻一笑，有了美女相伴，这一路走的也不寂寞。