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　　单云的大学同学兼好友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."Of course not bamboo rat, I am from Yunnan, I have seen more bamboo rat, I said it is a big rat, naturally much bigger than the general rat, bamboo rat in front of it is nothing at all, how big is this rat? To put it simply, it is not much smaller than domestic cats, and some are even a little bigger. The body is cylindrical, and the tail behind the buttocks is thicker than the thumb of normal people. Moreover, it is different from the soft cortex of ordinary mice. This kind of big mouse is hard all over, that is, the kind of hard with extremely developed muscles and no fat. " Zhang Xiaobo said, stretching out his hand and gesticulating in the air. According to the volume of his gesticulating, if the mouse can grow to this size, it is really extremely frightening. Even one mouse is so, and the scene is really very frightening when it appears in groups.Separate the internal representation of the product from the construction process of the product. Q: How can they be separated? Answer: Don't put the construction process of the product in the product class, but the builder class is responsible for the construction process, and the internal representation of the product is put in the product class, so it is not separated.剧中讲述了同学中各种高中的班对、眼睁睁地看着对方的模范办了一场杀婚宴，大家探讨爱情价值与家庭婚宴的真情，展现真实的反映的情感，充分发挥样貌，在道德规范与情绪追求间，抚慰人心的效果。We will turn off screen saver, sleep, system restore and automatic update functions, and use the public motherboard and display chipset drivers in a unified way to provide the basis for obtaining the most real and original objective evaluation data. Finally, it should be noted that the product parameters involved in the test, as well as the motherboard and display chipset drivers, will be commented accordingly in the test platform description.雨夜，某沿海小城新海市，一场罕见的海啸即将发生，不安的气氛在所有人头顶盘旋酝酿。