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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:The combustion process of garbage incineration is essentially a complex process combining physical and chemical reactions such as mass transfer, heat transfer, momentum transfer, chemical reaction and structural change. Among them, the utilization of waste heat from garbage incineration has become a common concern. There are three main ways of utilization: power generation, heat supply and cogeneration. Affected by renewable energy in our country, the vast majority of waste heat from garbage incineration is used for power generation, and a few are used for heat supply or cogeneration.Ability to manage time.她满脸悲愤，眼中滚下泪水，幽幽道：天作孽，犹可违。她这方面知识贫乏的很，只记得这一副名句，花生如何能对上来。他是怕公主看见有人跟来，不肯现身见他。明安街头，在美发店工作的王玲与大学生邵平热恋，因为父母不同意，懦弱的邵平选择了逃避。万念俱灰的王玲决定放弃，一个叫朱家山人的走进了她的生活，朱家山真实的身份是一个毒贩，王玲用自己的忏悔配合边防警察将朱家山的贩毒计划一举铲除。女教师梁慧的丈夫在外沾染了毒品，柔弱的她担负着这个家，一家人蜗居的老宅面临拆迁，无助的她此时遇到了自己当年的追求者牛满江，单纯的她没有想到牛满江是一个毒贩。她用智慧引导牛满江向边防警察自首，接受法律的制裁。单纯的女大学生海荟对长相俊美的姚叶一见钟情。可姚叶已是病入膏肓，姚叶在爱情的鼓舞下，燃起了对生命新……