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　　在回去的路上，格雷和艾莎所乘坐的无人驾驶汽车发生了故障，将两人带往了一处暴徒聚集的贫民窟，在那里，两人遭到了袭击，艾莎不幸丧生，而格雷身受重伤下半身瘫痪。心中充满了痛苦和绝望的格雷想为恋人报仇，于是找到了艾伦，将STEM芯片植入了大脑，在STEM的操纵下，格雷重新站了起来。让格雷没有想到的是，STEM的智慧远远超乎他的想象，而他亦被卷入了一个巨大的阴谋之中。Orange 75% +50%The third handshake: the client receives the SYN + ACK packet from the server and sends the confirmation packet ACK (ack=k+1) to the server. After the packet is sent, the client and the server enter the ESTABLISHED state and complete the three handshakes.Recently, I have made a preliminary investigation on DDOS attacks, and have some superficial understanding of the causes of DDOS attacks and their detection and defense mechanisms. This paper focuses on some thoughts on DDOS attacks in metropolitan area network environment under traditional network architecture.他大笑道：都说了不必费事。"When the two mountains were fighting, I have fought many battles, However, the most impressive one was the battle to defend position 149 during the July 12 War. I thought that the war was between people and people. I didn't expect to fight with animals here, not only animals, but also flying in the sky and drilling in the soil. If it weren't for the use of new shells to support us later, the position would have been lost. "一群任性的青少年在野外新兵训练营必须为他们的生命与一个无情的吸血外星人的攻击斗争