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For PCB to be processed by SMT, if the minimum spacing between pins is greater than or equal to 0.65 mm, no identification point may be set. Identification points shall be set for less than 0.65 mm. See "Printed Board Design Specification" for the design requirements of identification points.00后女儿拉上闺蜜想要来一场“诗与远方”的毕业“大冒险”。“古板”单身父亲携“好基友”一路隐秘尾随，中年护花小队“闪亮”登场。一场充满未知的欢笑之旅即刻启航！鸿蒙神界之主鸿蒙至尊，身份尊贵，属下众多，为神界最强之人，精通天下万术。彼时的鸿蒙至尊虽实力强大但待人和善，仁慈宽厚，对朋友充满信任，以平等的态度看待人仙神三界。在域外宇宙入侵时，鸿蒙至尊被混沌至尊和始源至尊设计联手杀害，并诅咒其万世轮回。鸿蒙至尊亲人手下被杀，家园被夺，理念被改，就连最疼爱的徒儿灵霞天尊也背叛了他。而且在他万世轮回中被世世灭门，直到最后一世转生到了谭云身上。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.Then as long as someone opens my blog post, it will automatically pay attention to me.