Economic development and social progress have promoted the improvement of China's comprehensive national strength, and also promoted the development of the engineering surveying and mapping industry, China's science and technology and economic level have been comprehensively improved in recent years, and social productivity has been upgraded to many levels on the basis of the past. With the continuous development of China's construction industry, traditional engineering surveying and mapping

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... hnology has many contradictions and problems that are difficult to adapt, it is necessary to introduce new technologies to improve the accuracy of measurement and ensure the reliability of engineering surveys. In recent years, digital surveying and mapping technology has been promoted to a large extent with the development of Wechat technology and information systems, and the surveying and mapping industry has also continued to emerge new technological means.