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The branches of the fire protection technical service institutions shall practice within the scope of qualifications obtained by the branches.The observer pattern defines a one-to-many dependency, allowing multiple observer objects to listen to a topic object at the same time.干什么要救田广这种背信弃义的小人。These drivers who live in the kingdom of flying cars are proud of their excellent racing skills and regard racing as their whole life. They live for it, fight for it and devote all their efforts to it.是，夫人。2007年 ルパン三世 雾のエリューシヴ 雾之谜 増田敏彦Based on BIM technology, it can dynamically display the installation of important parts in advance and provide virtual reality information for construction scheme discussion and technical exchange. Subway construction may have an impact on the surrounding buildings. BIM technology can simulate the impact of subway construction on the surrounding buildings. Combined with reinforcement technology, it can judge whether the arrangement between various components is reasonable, control the construction progress, carry out comprehensive quality inspection and observation on the construction, dynamically simulate the change trend, and put forward improvement measures.