随着计算机技术的革新及飞速发展，数字化已成为当代社会经济可持续发展的焦点之一。数字化制图及信息系统的建立，对测绘行业提出了更高的要求，原始的手工作业方法已经远远满足不了当今社会发展的需求。%With the innovation and rapid development of computer technology, digitization has become one of the focus of the contemporary social and economic sustainable development. The establishment of digital surveying and mapping and information system has put forward higher requirements for surveying and mapping industry. The original manual work method is far from meeting the demand in today's social development.
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