分析仪器测量误差，评价仪器性能。
Measurement error analysis and instrument performance evaluation are conducted.
论述了GPS测量控制网的设计和实施方法，对GPS控制网的观测质量和测量误差进行了分析、评价，阐述了GPS技术替代常规测量方法的优越性。
The observed qualities and surveying errors of GPS network are analyzed and evaluated, And the superiority of using GPS technology in place of traditional surveying technology is presented.
论述了GPS测量控制网的设计和实施方法，对GPS控制网的观测质量和测量误差进行了分析、评价，阐述了GPS技术替代常规测量方法的优越性。
The observed qualities and surveying errors of GPS network are analyzed and evaluated, And the superiority of using GPS technology in place of traditional surveying technology is presented.
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