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精彩看点In the future, if I have the opportunity, I will continue to participate in the social practice activities of "three rural areas" to serve the rural economic development and social progress in our province. Make contributions to the prosperity of the motherland.TCP works in the Transport layer, IP in the Network layer, and ARP in the DataLink layer; The data on the second layer is called Frame, the data on the third layer is called Packet, and the data on the fourth layer is called Segment. At the same time, we need to simply know that when data is sent from the application layer, header information will be added to each layer, encapsulated, and then sent to the data receiving end. This basic process you need to know, that is, every data will go through the process of data encapsulation and unencapsulation.整个宇宙分为域内宇宙和域外宇宙，两个宇宙彼此为敌，域外宇宙由天魔统治，域内宇宙分为神界，仙界，凡间。　　孙家栋（佟大为 饰）：以无数次的试验失败为切入点，展现其代表的中国科学家永不言弃的探索精神。