就地质方面而言，两坝址区域构造稳定性和岩体质量是核心问题。
In respect of geology, the key issues refer to the stability of region tectonics and the quality of rock mass for two dam sites.
通过二维有限元对滇西北虎跳峡地区区域构造稳定性进行了系统研究。
Based on finite element analysis, the authors studied the regional stability of the Hutiaoxia (region) systematically.
断层活动性评价是研究区域构造稳定性的基础，它直接影响到水工建筑物本身的抗震安全。
The faults activity appraisal is a foundation for study of regional tectonic stability because it directly affects the safety of a hydraulic engineering structure against seismic activity.
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