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Natural organisms, such as lobsters, lotus, and humans, exhibit exceptional mechanical properties due to their ordered structure. However, traditional hydrogels are limited in their mechanical and physical properties due to...

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On the occasion of the fourth anniversary of General Secretary Xi Jinping's visit to Shandong, this paper takes the case of Qingdao city health examination and adopts the social satisfaction evaluation system to highlight the idea of "people-oriented". The purpose of city health examination is to identify "urban illnesses" and suggest the appropriate treatment. Qingdao City introduced the social satisfaction evaluation index system in the city health examination, and summarized the problems in the city construction and management through the satisfaction evaluation results, and found that the overall satisfaction score and satisfaction performance of the residents were relatively low, primarily due to: 1) the unbalanced spatial layout of infrastructure and public service facilities in each district in the city; and 2) the unbalanced spatial layout of infrastructure and public service facilities in each district in the city. 3) Housing price polarization and a lack of housing inclusion. 4) The issue of problematic parking remains unresolved. The article makes a suggestion