Based on the assumption of hysteretic damping, seismic response of soil layer was analyzed by using the methods of time domain and frequency domain separately.
采用滞后阻尼假定，分别应用时域和频域分析方法对土层的地震反应进行计算。
It is pointed out that the time domain method is a special case of those two methods and it is more efficient than those methods based on wavelet transform in case of obtaining the same result.
指出时域法是这两种方法的一种特例，并且具有更高的效率及相同的结果。
The paper is focused on the discovery and representation methods of expert domain knowledge based on knowledge network.
从知识网络的角度，对专家领域知识的发现及表示方法进行了研究。
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