“seismic moment”的概念、定义、翻译、参考文献-科学参考

单词	seismic moment
释义	seismic moment Encyclopedia 理学震源物理释 seismic moment地震矩根据地震断层的破裂面积A、断层的平均错距D和克服单位面积断层面上的摩擦使断层错开所需要的力μ，由三者的乘积对地震大小做出的一种量度，即地震矩M0 =μAD。地震矩的单位是牛顿·米（N·m）。
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