【摘要】 JD2F型井下地震计是在JD2型深井地震仪的基础上,经过进一步的技术改进并引入电子反馈技术而研制成功的。它是为井下地震台的数字化改造而研制的,是JD2型地震仪的替代产品。本文通过对比,重点介绍了它的主要技术指标及结构特点。更多还原

【Abstract】 The model JD-2F bore-hole seismometer has been successfully developed on the basis of the model JD-2 deep well seismometer after improving technology and introducing electronic feedback technology.It has been developed for the improvement of the digital seismic station,and is an alternate production of the model JD-2 deep well seismometer.The performance and the structural characteristics of this production are introduced emphatically by means of comparison in this paper.更多还原