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　　魏铁忙命人大把撒果子和喜钱，大小娃儿一齐哄抢，笑声震天。The second classification principle of organisms is the lineage classification principle aiming at establishing evolutionary lineage. The classification method following this principle is called lineage classification. The representative of pedigree classification is "branch systematics". It advocates that the branches in evolution should be taken as the criteria for identifying and distinguishing classification units and the basis for determining the pedigree relationship of each classification unit. The so-called co-ancestral proximity (similar to a group of people being a grandfather) is used to measure the genetic relationship between different taxa and determine their position in the pedigree. The classification system finally established is an evolutionary pedigree reflecting the history of phylogeny, which is a deeper description of biological relationship. In other words, the basic principle of pedigree classification is that the classification system conforms to the evolutionary pedigree. Pedigree classification is only applicable to organisms and cannot be used for abiotic classification.Medical staff should understand the opinions, tendencies and needs of patients and try their best to meet them.Users' needs in content consumption can be roughly divided into four categories: reading information, learning knowledge, consumption decisions and time consumption.由米热、贡米等主演的古装励志“甜辣”爱情剧《替嫁公主》正式在象山举行开机仪式。该剧由新生代人气演员米热担纲男一号，饰演大周皇帝宇文雍，表面被奸臣控制沦为傀儡，实则精明能干，隐忍腹黑Template method mode: encapsulate algorithm structure, define algorithm skeleton, and support algorithm sub-step changes.