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北京地铁复八线ＧＰＳ控制网成果，曾获国家建材局优秀勘察成果部级一等奖，北京市优秀勘察成果一等奖。该网采用在长边ＧＰＳ骨架网下加密三角锁的网型，达到了我国建国以来地铁及其同类控制网的最高精度。本文对该网进行了分析，并对高精度ＧＰＳ控制网的网型进行了探讨。
Beijing Subway Fubian GPS control network results, won the State Bureau of Building Materials Bureau survey results of the first prize, the Beijing Municipal Bureau of excellence survey results first prize. The network used in the long-side GPS network under the framework of triangular mesh lock encryption, reached the founding of our country since the founding of the subway and its control network of the highest accuracy. This paper analyzes the network, and discusses the network type of high-precision GPS control network.