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.
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。
Studying the variety laws of the plastic failure, distortion and stress of soft and hard rocks alternate-layered roof with the constant vertical stress only the horizontal stress changing.
在垂直应力不变，不断改变水平应力的条件下，分析各类软硬岩互层项板的应力、变形、破坏规律。
System advantage is that it can amend mark point distortion, thus, accurate observation of vertical displacement can be got. Bimetal mark install veracity depends on quality of digging hole.
它的优点是能对温度所产生的标点变形进行修正，从而提高垂直位移观测精度，控制钻孔质量才能保证双金属标安装的准确性。
The inverted vertical in dam distortion monitoring is an observing reference point, the installation precision of which affects the observation precision.
倒垂线在大坝变形监测中是一个观测基准点，其安装精度的高低直接影响着大坝变形的观测精度。
The inverted vertical in dam distortion monitoring is an observing reference point, the installation precision of which affects the observation precision.
倒垂线在大坝变形监测中是一个观测基准点，其安装精度的高低直接影响着大坝变形的观测精度。
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