根据历史地震记载、近期地震活动性和构造应力场资料，分析了北京西北延庆-怀来盆地的潜在地震危险性。
The potential seismic risk in the Yangqing-Hualai basin, NW of Beijing City, is estimated using historical documents and recent seismicity and tectonic stress field data.
揭示了延庆盆地、矾山盆地、怀来盆地、涿鹿盆地等四个相互联通盆地的磁性基底的定量特征。
The quantitative characteristics of the magnetic basement of the four correlative basins-Yanqing, Fanshan, Huailai and Zhuolu-are revealed.
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