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Subway station is the center of the whole subway network. It not only undertakes the functions of personnel gathering and evacuation, but also undertakes the functions of various professional equipment and the operation of the whole system. The design of subway station is very important. The design of a station includes many specialties. In the traditional design, ISCS, BUS, FAS, PA, PIS and other professional engineers are difficult to achieve unity. BIM technology provides a collaborative design platform, which can promote effective communication among various specialties and integrate all resources. The application of BIM makes design communication more convenient, easy to adjust and improve, thus optimizing the design.对于生来就是富.二代的林思明，和凭着才华和努力崛起的天启，张恒肯定旗帜鲜明的站在陈启这一边。"Sex and the City" 是发生在纽约曼哈顿四个单身女人身上的故事。她们都事业成功，都时髦漂亮，都已不再年轻却自信魅力四射。她们共享彼此间牢固的友谊，也都面临共同的问题：在这充满欲望和诱惑的都市里，寻找真正的爱情和归宿。Giant Guy尼克（本·阿弗莱克 Ben Affleck 饰）和艾米（罗莎蒙德·派克 Rosamund Pike 饰）是别人眼中的完美恩爱夫妻。艾米每天都用日记来记录婚后生活，每个结婚纪念日都精心设计充满惊喜的“寻宝游戏”，以此维系和丈夫的亲密关系，但生活却不可阻挡地越来越平淡如水。在他们结婚五周年纪念日当天，艾米离奇失踪！尼克通过媒体深情告白，疯狂寻找消失的爱人。然而，艾米的一本日记，字字直指尼克是真凶，顿时，人人自危……Today, distributed attacks are really feasible because criminals have thousands of hosts for him to carry out denial of service (DoS) attacks. Since these large numbers of hosts can continuously increase or decrease and can change their IP addresses and their connections, it is still a challenge to prevent such attacks.Telecommunications