根据实例计算及理论推导，分析讨论了在评定精度中顾及起算数据误差的有关问题。
On the basis of calculating examples and proving the theory, this paper analyzes some questions of attending to the original data errors in evaluating precision.
本文根据现行规范、规程检核GPS测量控制网起算数据的方法和精度要求，分析了检核方法和效果，探讨了选用起算点的方法。
This paper introduces several practical methods of the compatibility analysis of starting point for GPS surveying network, and then base on a practical example, makes some analysis on these methods.
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