We study the magnitude deviationofborehole seismograph and DK 1 seismolograph in Daqing network.
对大庆台网深井摆和DK-1仪器测定的震级偏差进行了研究。
2
This paper introduces successful construction method and control measure currently used for holedrill, boreholedeviation, protection tube, and embedment and installation of bimetal mark.
介绍了目前比较成功的倒垂孔钻孔、钻孔偏斜、保护管安装、双金属标的埋设及安装等施工方法和控制措施。
3
For the case of tilted borehole, deviation correction for the attitude values should be executed.