选择权迭代法是一种可望用于粗差定位的有效方法。
The iteration method with variable weights would be an effective method for the location of gross errors in the adjustment.
该法可以准确地进行多维粗差的定位和估值，而且能严密评定估值的精度。
By this method, the multidimensional gross error can be accurately located and estimated, and the accuracy of estimation can be closely evaluated.
对于建筑物的垂直变形观测，粗差的存在必将严重改变垂直变形信息，影响垂直变形分析结果的可靠性，因此，粗差的定位和剔除极为重要。
In observation of vertical distortion, the existence of gross error will change the real information about the vertical distortion, which may degrade the reliability of vertical distortion analysis.
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