The genetic analysis for system error and lourse error of the prototype observed data of earth-rock dam is carried out.
对土石坝原型观测资料的系统误差、粗差的成因进行了分析；
Methods Compare the data of prospective analysis and practical efficacy observed by follow up.
方法采用瞻前性分析与追踪随诊资料的比较，观察其预后效果。
The analysis of deformation is based on the observed deformation data.
变形观测资料是变形分析的依据。
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