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Giving meaning and fine coding: (quasi) experts can understand the words and terms in their own fields very quickly, and when storing information, they can consciously adopt various metacognition processing strategies.1937年的北平，狼烟骤起，日军铁蹄踏足中原。“七七事变”爆发，驻守宛平的29军将士英勇的抵抗。浩浩荡荡的北平市民、学生组织游行，声援29军抗战。学生们激昂的口号声中，文三儿脑袋一热捐出了一块钱，那可是他一个月工钱的一半。The original post isWhich chains can use the rules in the table (table-to-chain correspondence):连看上去善良的小女孩都一样有心计和手段。The attacker first completes the three-way handshake to establish the connection, but in the last ACK reply of the three-way handshake, the TCP window size is set to 0, and then a data request is made. When the attack target sends the request result to the attacker, it stops the data transmission when it finds that the TCP window size is 0, and sends out a TCP window detection packet to ask the attacker if the TCP window has been updated. Since the attacker will not update the window size, the attack target will always maintain the TCP connection and wait for the data to be sent, and continuously carry out TCP window size detection. When the number of controlled hosts in the botnet is large, Target's connection table will gradually be exhausted, resulting in denial of service."Onion Skin Blue Dye"