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嗨呦，咱谁不知谁做什么买卖。The test points on PCB mainly include key voltage test points, sampling circuit, clock circuit, power supply circuit, power drop signal V-D, power drop memory SDA,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.微.博上，这个发言一出来，立刻就引起了一阵口水战。Almost all cellular phones must support multi-frequency and multi-radio. The spectrum allocation for global wireless communications has been redefined or redefined by relevant authorities. From a historical point of view, spectrum allocation has always been dominated by various countries, so it is not consistent in the world, because they are usually controlled by local governments. Unfortunately, the adjustment of spectrum is driven by the economies of scale of the industry, not by foresight in the field or cooperation between relevant institutions around the world. Without spectrum comparison, it is difficult to realize equipment standardization. As the wireless communication industry continues to allocate spectrum, it is foreseeable that different frequency bands will still follow localization requirements in the future instead of being optimized for global needs.黄英姑（薛家燕）生性乐观，与女儿孙敏华（汪琳）等一家人自给自足。英与邻居王志祥（许绍雄）交情甚笃，其子王剑（吴启华）更把英当作再生母亲看待。时下的香港贪污盛行，在摊档工作的英因欠债，偶然会替人当替死鬼做偿还，坐数日监。一次，英不知就里，便一口气答应当替死鬼，结果被人屈成杀人犯，判以死刑。英行刑剪下辫子，吩咐当狱警的祥将之交给华做纪念。英死后冤魂附在辫子上，却因辫子落在装有关公像的证物房里无法出来，一困十数年……