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123. X.X.195The "Long Victory Wheel" of the AccidentDuring the establishment of a tcp connection, If the server returns syn and ack messages, The client does not confirm it for some reason. This is because the server needs to retransmit the syn + ack message and wait for the client's confirmation message until the tcp connection timeout. This state of waiting for the client to confirm the connection is usually called a half-open connection. The half-open connection will be kept in the connection table of the server until the connection is disconnected.循着雪地里的脚印追了一段路，就追不下去了，因为林中好些狗的脚印，这是护林人带着狗巡查时留下的，因而根本分不清狼和狗的脚印。　　被提拔到镇里当干部的长贵渐渐瞧不起大脚，在镇上结识了一个美丽的理发师，并对她暗生情愫。不过长贵最后却被单位开除，重新回到村里，面临着对人生的重新思考………,可以想象，消息传开之后，天下必然为之震动，不可想象的震动。　　淞沪空战，震动全球，中国空军以弱胜强，重创日本空军，创造了世界空战史上的一个奇迹，高志航及飞鹰队成为了国民英雄。为了壮大中国空军，高志航领命前往苏联接运一批新飞机回国，途径周家