问题描述:
[单选]
《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
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答案解析:无
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