应用概率统计原理导出了天线副瓣最高电平和天线增益损失的估计公式。
With the help of statistic principle, the estimation formulas of the peak sidelobe level and gain loss are derived.
建立了结构初始造价与设计烈度的关系，并提出了地震损失的估计方法。
The relation between the structural initial cost and the design intensity is established, and the method of estimating the earthquake loss is presented.
文中第一部分给出了建筑物的震害预测方法，第二部分给出了地震损失的估计方法和成本效益分析。
The first part of this paper gives a method for predicting the seismic damage of buildings and the second part gives the estimating method of seismic loss and the analysis of cost benefit.
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