介绍了哈尔滨市延寿地震台竖直摆倾斜仪的工作状态，列举了该仪器记录到的多次同震应变阶。
The working status of vertical pendulum tiltmeter in Yanshou Seismostation of Harbin is introduced, and several earthquake strain steps recorded by the instrument are presented.
CS J型超级震击器是一种震击力比同规格的其它震击器大得多的打捞工具。
CSJ type super fishing jar is a fishing tool which the jarring force is larger than other jar with same specification.
沿着同震应力触发的思路，提出了利用钻孔应变观测记录的同震应变阶反演同震应力触发断层活动的方法。
Following the idea of coseismic stress-triggering, coseismic strain steps recorded by borehole strainmeters are used to study coseismic stress-triggered fault slips.
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