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- gyroscopic seismometer 陀螺地震计
- The seismometer was invented by Zhang Heng. 地震仪是由张衡发明的。
- How can I make my own seismometer? 问：我怎样才能做一个我自己的测震仪？
- This gyroscopic motion is called precession. 此陀螺运动叫做进动。
- A similar development in the USA is termed triaxial seismometer. 美国研制的与此相似的地震计称为三位地震计。
- How is the movement of the seismometer converted into a seismogram? 问：测震仪的运动是怎么转换成震动图的？
- At last, the curve of seismometer frequency response is given. 最后给出了检波器频率响应曲线。
- What is a seismometer? What are seismographs? How do they work? 问：地震检波器是什么？地震记录仪又是什么？它们是怎么工作的？
- 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。
- Earthquakes are recorded with a seismometer, also known as a seismograph. 地震检波器，也被称为测振仪，可记录地震。
- An inverse eigenvalue problem for damped gyroscopic systems is considered. 本文考虑一类阻尼陀螺系统特征值反问题。
- An earthquake with a magnitude of less than 2.0 is so slight that usually only a seismometer can detect it. 小于2.;0震级的地震非常轻微，通常只有地震检波器才能探测到。
- This area of study is central to the technology of inertial navigation and gyroscopic stabilization. 这个研究领域是惯性导航和陀螺稳定器技术的核心。
- This modified formulation is more adaptable to a further study of gyroscopic phenomena. 这种变化后的表达式将更适合于进一步研究陀螺现象。
- Orientation is very important for a seismometer, whether it is installed on surface or in borehole. 摘要无论地震计在地表或是井下使用，都必须精确定向。
- Orientation relying on magnitism must have error if there is ferromagnetism around the seismometer. 当地震计周围存在铁磁性物质时，使用传统的磁定向会引起非常大的误差。
- In this way, it is possible to pick out two quite different spectral ranges from one and the same seismometer. 这样，一台地震计就能拾取两种截然不同的频谱范围。
- Schofield marches down the hall, grabs a seismometer and an oscilloscope and hauls them into a van. 斯科菲尔德穿过走廊，抓起地震仪与示波器，将它们放进一辆厢型车；
- An Assumption of WILSON Image Current Source Applied to Seismometer Pre amp Circuit. WILSON镜象电流源应用于地震仪前置放大电路的设想
- Schofield sets the seismometer to listen for almost five minutes.But it reveals no trace of the 2.3-hertz noise. 斯科菲尔德用地震仪听了约五分钟，但却听不出有任何2.;3赫兹的杂讯。
