| 1. | These things entail that the seismograph becomes rather bully . 这使得地震仪体积笨重。 |
| 2. | This technique imposes no chance on the main seismic instruments or detectors . 这种技术并不要求改变地震仪或检波器。 |
| 3. | 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。 |
| 4. | A seismograph is an instrument which gives a continuous record of the motion of the ground . 地震仪是提供地面运动的连续记录。 |
| 5. | The reluctance seismograph implies a variation of the principle of the moving-coil seismograph . 磁阻地震仪改变了动圈地震仪的工作原理。 |
| 6. | All of the foregoing material shows that seismic instrument specifications may be less stringent . 所有上述资料都表明地震仪器的要求并不严格。 |
| 7. | Instruments called seismometers relay these reflected vibrations to a recording instrument . 一种叫地震仪的仪器把这种反射来的振动波转送到记录器上。 |
| 8. | The deficiency of such observations will be eliminated by the installation of more oceanbottom seismographs . 设置更多的海底地震仪可以避免这种观测上的不足。 |
| 9. | Any earthquake at any distance from a calibrated seismograph is nowadays assigned a magnitude . 现在对于距一标定过的地震仪任何距离处的任何一个地震,都可用一个震级确定之。 |
| 10. | It is used in measurement of pressure transients, such as in shock tubes, wind tunnels, and seismograph equipment . 它广泛用于瞬态压力测量,如冲击管、风洞以及地震仪器设备中。 |