| 1. | The quality of seismic data varies tremendously . 地震资料的质量变化巨大。 |
| 2. | Most materials have different seismic properties . 大多数物质都具有不同的地震的特性。 |
| 3. | Seismic signals are stored digitally in binary code . 地震信号是以二进制编码的数字形式储存的。 |
| 4. | Migration of the seismic activity is found before a big event . 发现了大震前地震活动性的迁移。 |
| 5. | Seismic sections show the response of the earth to seismic waves . 地震剖面是地壳对地震波的响应。 |
| 6. | One method used in a geophysical exploration is called seismic method . 地球物理勘探的一种方法就是地震法。 |
| 7. | Seismic amplifiers are multi-stage and have very high maximum gain . 地震放大器是多级放大器,它有很高的增益。 |
| 8. | This is the manipulation or processing of the received seismic data . 这就是对所接收的地震资料进行加工或处理。 |
| 9. | Noise has always been the most troublesome problem in seismic prospecting . 噪声始终是地震勘探中最棘手的问题。 |
| 10. | Seismic velocity can occasionally be affected by porosity and temperature . 孔隙率和温度有时也能影响地震波速。 |