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gong ce kuo jian kong zhi wang jing du yu ji de yi zhong fang fa
Pages: 61-62+57
Year: Issue:  3
Journal: Geotechnical Investigation & Surveying

Keyword:  精度预计控制网起算边起始误差相对精度最弱边公共边设计扩建估算内精度;
Abstract: By the principle of the adjustment of correlated indirect observation and the influence of initial errors, this paper presents a method to estimate the precision of an extended control network in engineering surveying, i.e. the common side is taken as the initial side, only new network will be estimated, then, the estimation result of overall accuracy can be obtained.
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