It is necessary that dynamic characteristics of urban viaduct bridge is studied in highly seismic region.

因此，对高烈度地区城市高架桥动力特性进行试验和理论研究很有必要。

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The Exhibition Hall of Jurassic World in Lufeng is an irregular and large-span structure in highly seismic region.

中国禄丰侏罗纪世界遗址馆主厅为高烈度区不规则大跨结构。

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In a highly seismic region 141 years ago, 200 square kilometres (77 square miles) of lakeshore sank under water in an earthquake that is risky.

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