【摘要】 本文介绍了１９９０ 年５ 月黑龙江省汤原４７ 级地震前后依兰台地倾斜固体潮汐畸变典型图象的形态基本特征。以及对其异常性质跟踪研究过程， 得出因仪器摆锤结露， 露珠克服附着力脱落导致畸变异常的结论。对畸变典型图象形态的多样性复杂性形成机制做了详尽的讨论。更多还原

【Abstract】 The basic form characteristic of typical distortio n pattern relating to earth tide of ground tilt in respect to Yilan seismic station before and after Tangyuan earthquake with ML4 7, Heilo ngjiang province, is introduced in this paper It follows that the anomaly is independent of the earthquake, and i s due to the dewdrop found on pendulum weight of instrument更多还原