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This is what we often call the professional model.《大敦煌》采用宋代、清末和民国三个历史阶段的创作形式，以一部金字大藏经的命运为贯穿，反映了千年敦煌的形成、发展、辉煌、衰败、重生的过程。For example, I now need to create a div element on the page. Then we definitely need a function to create the div, Now all I need is this function, which is only responsible for creating div elements. It doesn't want to take care of the rest, That is, to realize the principle of single responsibility, Just like Kissy on Taobao, At the beginning, they defined Kissy to do only one thing and did it well. The specific instantiation class in the monomer mode was handled by the agent function. The advantage of doing so was that the specific business logic was separated. The agent only cared about the business logic of the agent. Here, the function of the agent was to instantiate the object and instantiate it only once. Create div code just create div, the others don't care; The following code:Netflix正式预定《黑钱胜地》第三季！该剧由杰森·贝特曼、劳拉·琳妮等主演，剧集主要讲述了贝特曼饰演理财师马蒂·伯德(贝特曼饰)与其妻子温迪(琳尼饰)一家突然从芝加哥郊区搬到奥沙克湖的度假胜地，并必须还清墨西哥毒枭的债。DoSth d=new DoSth (Print);! show_style();。Article 3 Fire control technical service institutions and their employees shall follow the principles of objectivity, independence, legality, impartiality, honesty and credit in carrying out social fire control technical service activities.