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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.对绿萝而言，只要东来哥心里有我，爱我，那就足够了。海约是一个盲女，误打误撞认识了婚姻介绍所的老板旭明。旭明是个普通的男人，还没找到真爱，却也意外的失了明。在黑暗的世界中，是海约让色彩重新在他心中刷亮，他们一起用独特的方式去感受这个多彩缤纷的世界，在单纯的快乐中二人相恋了。董玲是一个在上海地铁工作的女孩，一直喜欢的男子结婚了，她内心受伤。此时偶然收到了一封来自台北的贺卡。于是，和贺卡主人钟程一段互相寻找爱的故事开始了。然而自从旭明吃下了一颗诡异的圣诞糖果，他和海约的关系便有了令人不安的转折。同时，钟程和董玲也在地铁里苦苦找寻着地铁46号出口才开始这些人还只是针对《笑傲江湖》电视剧，没过多久他们就开始针对陈启。2. Candidates are only allowed to carry necessary stationery when entering the examination room. They are not allowed to carry any other articles except black ink sign pens, 2B pencils, erasers and pads. Articles that are not allowed to enter the room are placed in the "small article placement place" set up in the examination room. No stationery is allowed to be transferred to each other in the examination room.