The displacement-based seismic design method is particularly proposed and some unsolved problems and future directions in the research and applications of this method are listed.
着重探讨了直接基于位移抗震设计的方法和步骤，并提出了该方法在今后的研究与应用中需要解决的若干问题。
Direct displacement-based seismic design method has such advantages that the performance level is more straightforward and the method is easy to use, therefore it gets many researchers' attention.
直接基于位移的抗震设计方法因其性能水平确定比较直观，方法较易操作等优点，受到了众多学者的高度重视。
Displacement-based stability design and checking of retaining structures urgently need a convenient method for seismic displacement estimation.
基于容许位移的抗震稳定性设计与验算迫切需要一种方便可行的地震位移估算方法。
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