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该剧由《浴血黑帮》编剧斯蒂文·奈特担任制作人，弗朗西斯·劳伦斯([红雀])执导，奈特与劳伦斯共同操刀剧本。剧集讲述在未来的世界，人类失去了视力，社会必须找到新的方式来交流互动、捕猎与生存。一对有视力的双胞胎诞生，所有这一切都受到挑战。莫玛将饰演一个无所畏惧的战士、领导者和守护人。对什么杨继盛张经王忬也是毫不留情。自古英雄出少年，你们干得好。Let me explain the role of these classes: MySubject class is our main object, Observer1 and Observer2 are objects that depend on MySubject, and Observer1 and Observer2 must change when MySubject changes. The AbstractSubject class defines a list of objects to be monitored, which can be modified: add or delete monitored objects, and when MySubject changes, it is responsible for notifying the objects that exist in the list. Let's look at the implementation code:代王赵歇原本是曾经六国诸侯赵国王室后裔，反秦起义爆发之后被立为为赵王。From the perspective of service, DDoS protection is essentially a war in which users are the main body and rely on anti-D protection systems to compete with hackers. In the whole process of data confrontation, service providers often have absolute initiative. Users can base on specific rules of anti-D system, such as traffic type, request frequency, packet characteristics, delay interval between normal services, etc. Based on these rules, users can better resist DDoS of the seven-layer class and reduce the resource overhead of the server on the premise of satisfying the normal service itself. The detailed schematic diagram is as follows: