But the geology of the core is turning out to be much more complex as scientists make use of more and better seismographs to generate better data about how seismic waves travel through the planet.
然而,当科学家们运用更多更好的地震仪来收集地震波如何在地球上传播的相关数据时,逐渐证明地核的地质状况要远远复杂得多。
Engineering database was the core of Bridge Seismic CAD System.
工程数据库是桥梁抗震CAD系统的核心。
The technique of soil layers seismic response analysis is also one of core techniques in seismic safety evaluation of engineering sites currently.
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。
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