这说明对于实际地震加速度图，其功率谱是与均值速度反应谱相对应的。
This means that for actual earthquake accelerograms their power spectrum corresponds to mean response spectrum.
在工程实际中，需要考虑非经典阻尼对减隔震结构的影响，因此产生反应谱方法不能直接用于计算减隔震结构地震响应的问题。
Engineering practice should consider the effect of non-classical damping, but this hampers the application of simple method, such as response spectrum analysis.
按照公路桥梁的相关抗震规范规定，根据实际条件选定反应谱和地震波。
According to the seismic design code about Bridges and the actual condition, the design response spectrum and the design time history seismic wave are choiced.
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