重大建设工程和可能发生严重次生灾害的建设工程，必须进行地震安全性评价；
Seismic safety shall be evaluated for major construction projects and the construction projects which may induce serious secondary disasters.
土层地震反应分析技术也是当前工程场地地震安全性评价的核心技术之一。
The technique of soil layers seismic response analysis is also one of core techniques in seismic safety evaluation of engineering sites currently.
地震安全性评价是确定重要建设工程抗震设防要求的基础性工作。
Seismic safety evaluation is a basic work for determining the seismic resistance requirements of major construction projects.
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