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There may be widespread changes in ground elevation as well as horizontal or shear displacements. 標高 可能發(fā)生廣泛的變動，也可能發(fā)生水平位移或剪切位移。
By means of the existing measurement control points on the ground elevation for lofting, determine the excavation depth. 利用已有的丈量控制點對原地麪高程進行放樣，確定開挖深度。
A direct result of land subsidence in Cangzhou coastal plain areas of low ground elevation loss, resulting in sinking of the railway roadbed, storm surge disasters. 地麪沉降直接導致滄州濱海低平原地區(qū)地麪高程資源損失，造成鉄路路基下沉、風暴潮災害加重。