短語詞組短語response spectrum CQC method 反應譜CQC法seismic response spectrum method 振型分解反應譜法the response spectrum method 反應譜法elastoplastic response spectrum method 彈塑性反應譜法response spectrum analysis method 振型分解反應譜法mode decomposition response spectrum method 振型分解反應譜法mode -superposition response spectrum method 振型分解反應譜法 返回 response spectrum method