The remaining elements were either directly fixed to the main structure or to different sub-structure attached to the base.
其余元素被直接固定在主体结构上或者附着在底座的不同子结构上。
Test results show that the rolling base isolation is very effective for reduction of seismic response of superstructure in comparison with the fixed base structure.
结果表明，与基础固定结构相比，隔震体系对上部结构的地震反应具有明显的隔震效果。
The mode shape of the system is different from that of the structure on the fixed base in that there are rocking and swing at the foundation.
体系的振型曲线与刚性地基上结构的振型曲线不同，基础处存在平动和转动。
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