上海地面沉降具有一定的代表性，经几代地质工作者的努力，在地面沉降监测、研究与防治方面取得了一定的经验与成绩。
Land subsidence in Shanghai City as a typical example has been controlled through monitoring, research and prevention by the endeavor of several generation geologists.
分析了该区地面沉降的内因和外因，为区内地面沉降的防治提供了依据。
On this basis, various factors which caused the surface subsidence are analysed and this is valuable for the surface subsidence control.
识别地面沉降究竟是由于抽取何层地下水所引起的，是防治地面沉降实践中迫切需要解决的技术问题之一。
Discerning which aquifer of groundwater exploited leads to land subsidence is one of the technical problem in preventing and curing land subsidence.
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