Modalsystem is widely used by jazz and rock musicians and by analysts who deal with this kind of music.
模态系统广泛使用的爵士乐和摇滚乐手和分析家谁应对这种音乐。
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Necessity of multi modalsystem construction in Chinese very big city through comparing Beijing and Shanghai with main big city of other country is proposed.
In this paper, using the information of the forced vibration response of the deterministic modalsystem, identification are made for the parameters of the stiffness and damping structure.