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单项选择题《中国地震动反应谱特征周期区划图》中硬场地按地震动反应谱特征周期划分为()类别区。

A、0.35s,0.40s,0.45s

B、0.25s,0.30s,0.35s,0.45s

C、0.25s,0.30s,0.35s,0.40s,0.45s

D、0.30s,0.35s,0.45s

  • A
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