而隧道拱顶的下沉过程及其最终下沉量则是隧道支护设计及地层环境控制的重要基础。
Therefore, the vault crown subsiding process and its total settlement are important factors for tunnel supporting design and environment controlling.
地铁施工诱发地层环境损伤的众多问题中，地层沉降的预测与控制是急待深入研究的重要课题。
In all environmental damages induced by subway tunneling excavation, the prediction and control of the ground surface subsidence are the important problems to have to be solved.
碳捕获和碳吸收技术（CCS技术能够将二氧化碳封存于地层，特别是潜力巨大的咸水层，从而减少二氧化碳的排放量）可以减少煤气厂和天然气发电厂所产生的碳排放，进一步防止他们进入大气环境。
Carbon capture and sequestration (CCS) technology can capture the carbon dioxide from coal and gas plants and prevent it from escaping to the atmosphere.
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