There is a seismic interference in the extensometer observation in Huailai Seismic Station.The time periods, duration and amplitude of the interference are similar in every year.
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美
- 摘要怀来地震台伸缩仪观测中存在一种干扰,此干扰起止时间、持续时间、干扰变化幅度每年基本相当。