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.
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 principle of measuring minute impulse and the design of impact pendulum are introduced, including its physical principle, configuration, performance and working performance.
介绍了测量微小冲量的原理及冲击摆的组成，包括冲击摆的物理原理，冲击摆装置的结构、性能和工作原理；
The paper introduced the structure and working process of an inverted pendulum of type JN-1 with deformation and loading systems.
本文介绍了真空倒扭摆内耗形变加载装置的结构特征和工作原理。
The paper introduced the structure and working process of an inverted pendulum of type JN-1 with deformation and loading systems.
本文介绍了真空倒扭摆内耗形变加载装置的结构特征和工作原理。
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