本文结合杭州市城市地质调查中浅层地震勘探，在第四系厚覆盖区，针对查明基岩埋深、确定松散沉积层的分层。

We're referring to integrate with the shallow layer of earthquake in Hangzhou urban geological survey in this paper.

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基础地质调查成果是城市地质研究的基础。

Therefore, the fundamental geology survey is the foundation of urban geology research.

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活动断层调查是城市地质的主要课题之一。

Active fault exploring is one primary subjects of city geological working.

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