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- borehole seismograph 井下地震仪
- A seismograph records earthquakes. 地震仪记录地震的情况
- Improvement of PSU in SN 388 seismograph. SN388地震仪PSU的改进
- The seismograph showed a sharp spike in response to the trembler. 地震仪显示,震动器的反应突然大增。
- These things entail that the seismograph becomes rather bully. 这使得地震仪体积笨重。
- The quality of borehole directly influences the effect of blasting. 钻孔质量的好坏,直接关系到爆破效果的优劣。
- Borehole fluid holdup defines what type of reinvasion occurs. 井内流体持率决定发生二次侵入的类型。
- Also, who is smart like seismograph, omnipotent spy Xiao Ma. 还有,一个如地震仪般机灵,又无所不能的特务小马。
- These things entail that the seismograph becomes rather bully . 这使得地震仪体积笨重。
- The seismograph showed a sharp spike in response to the temblor. 地震仪对震动显示一个对应的锐波。
- I invented the first seismograph for measuring earthquakes. 我发明了首个地震仪用于检测地震。
- "Houfeng Seismograph" is the earliest seismograph in the world. 候风地动仪是世界上最早出现的地震仪。
- China's Zhang Heng invented the seismograph during the Han Dynasty. 中国的张衡在汉朝时发明了地动仪。
- A borehole image of rock layers indicating an underground point bar. 指示某地下曲流沙坝的一幅岩层钻孔图像。
- Borehole magnetic technique has been widely used in geology and CCSD. 井中磁测技术在地质、大陆钻探等方面都有广泛的应用。
- A new method for measuring the borehole water holdup is given in this paper. 论述了一种新型的油井持水率测定方法。
- Borehole hydromining is a kind of safe and efficient new mining method . 钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。
- Today, quartz crystal clocks are generally used on the seismograph stations. 目前,地震台站一般采用石英晶体钟。
- A seismometer is a seismograph whose physical constants are so well known. 地震计是一种地震仪器,其物理常数是已知的。
- SN388 telemetry instrument is one of complete seismograph in the world. SN388遥测仪是世界上较完善的地震仪器之一。