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本文依据条件观测平差理论,对辽宁地区历年来施测的水准测量资料,进行了分期平差处理。绘制出各个时期的地壳垂直形变图,它直观的反映了地面垂直形变的空间分布情况,用以研究垂直形变场的演变过程。根据我国“九大”地震区水准资料显示的地壳垂直形变特征,探讨了地震发生的可能规律,从近年来水准资料反映的地壳形变,对辽宁地区的地震趋势进行了初步讨论。
Based on the theory of conditional observation adjustment, the paper surveys the leveling data measured over the years in Liaoning Province. The vertical crustal deformation of each period is plotted, which directly reflects the spatial distribution of vertical crustal deformation and studies the evolution of the vertical deformation field. According to the crustal vertical deformation characteristics of the “9” earthquake zone data in China, the possible regularity of earthquakes is discussed. According to the crustal deformation reflected by the leveling data in recent years, the seismic tendency in Liaoning Province is discussed.