The absolute amplification factors were the largest under the condition of normal incidence, and the difference of the relative amplification factors at the left and right sides was not obvious.

地震波垂直入射时引起的地表放大效应最大，山谷左右两侧地表放大效应相对相差不大；

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The absolute amplification factors were the largest under the condition of normal incidence, and the difference of the relative amplification factors at the left and right sides was not obvious.

地震波垂直入射时引起的地表放大效应最大，山谷左右两侧地表放大效应相对相差不大；

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