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Each object has its corresponding state, and each state corresponds to some corresponding behaviors. If an object has multiple states, there will be many behaviors. Then the judgment of these states and the behavior completed according to the states will lead to multiple conditional statements, and if a new state is added, the existing code needs to be changed. This kind of design obviously violates the principle of opening and closing, and the state mode is used to solve such problems.Hanweiwu cooperates with Disney to develop and design products.The first step to prevent DDOS is to have a backup website or at least a temporary home page. In case the production server goes offline, it can immediately switch to the backup website, so there is no way out.《阿U》动画片的主人公阿U是个邻家小孩，他聪明机灵，调皮捣蛋，有着层出不穷的鬼点子，无数搞笑的趣事，带来笑声不断……本剧根据著名畅销小说《红龙》（Red Dragon）和同名电影改编。 
　　Will Graham（休·丹西 Hugh Dancy 饰）是FBI的特别调查顾问，也是一名犯罪分析师。Will有一种特别的能力：可以在犯罪现场根据线索还原犯罪经过。他正在调查一起凶残的连环杀人案，凶手非常狡猾，每次作案留下的线索都很少。为了破案，Will向著名的心理医生Hannibal Lecter（麦德斯·米科尔森 Mads Mikkelsen 饰）寻求帮助。在案件调查的过程中，这位学术精湛又极具个人品味的Hannibal都对Will有所启发，让他感觉离揭开凶手的真正身份又近了一步。但在亲手击毙罪犯之后Will陷入了自责和幻境中，不得不再次向Hannibal寻求帮助。渐渐，Will越发依赖这位受人尊重和爱戴的医生。但是，故事似乎才刚刚开始...... A circular silk screen with a diameter of 2.5 mm is placed on the silk screen layer to surround the test pad to identify the position of the test point, and the number of the test point is marked beside the silk screen, such as X1, X2, …, etc. The test points shall not be covered with solder resist or text ink.