本文在考虑地震烈度评定和预测的不确定性的基础上，提出建立烈度衰减概率模型的方法。
A method is presented for use in establishing probability model of seismic intensity attenuation in regions with abundant data of isoseismal maps.
在我国烈度表中，对于Ⅵ度到Ⅹ度区，以建筑物的破坏状态作为烈度评定的主要依据，与其相关的概念——平均震害指数是我国烈度表中的一项特有指标，其可操作性较强。
The earthquake hazard index of each assessment area was investigated and computed, and the result was taken as the basis to evaluate the intensity of each assessment area.
本文的研究对于更加客观和科学地评定地震烈度具有重要意义和实用价值。
The study of this paper has profound significance to make seismic intensity assessment more objective and scientific.
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