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- A surface at which seismic wave velocities change. 不连续面间断面,地震波速度突变面
- surface seismic wave 表面地震波
- Seismic wave field and seismic exploration II. 地震波场与地震勘探2。
- Seismic wave AVO and formation lithology analysis. 地震波AVO与地层岩性分析
- The formulas of PML for two-dimensional acoustic wave equation were given.Several satisfactory numerical modeling results of surface seismic and crosswell seismic were shown. 首先给出了二维声波方程完全匹配层的公式,然后通过地面地震模型和井间地震模型数值算例与常规吸收边界条件进行了比较。
- There are two chief kinds of seismic waves: body waves and surface waves. 有两种主要的地震波:体波和面波。
- Crosswell seismic manifests some unique characteristics compared with surface seismic and VSP. 摘要与地面地震和VSP相比,井间地震资料有着明显的特点。
- These results agree basically with focus mechanism, focus parameters from seismic wave, macroscopic isoseisms and horizontal displacement vector map from observation on surface of earth. 这些结果与地震的震源机制,用地震波资料研究得到的震源参数,宏观等震线,地表观测的水平位移矢量图基本一致。
- Lee S. J., B. S. Huang and J. Tromp, 2007. Effects of realistic surface topography on seismic wave propagation: An example from northern Taiwan. AGU Fall Meeting, Dec, San Francisco. 李宪忠,2007:大台北地区地震波传递之地形效应,2007台湾地球科学联合学术研讨会,大会手册,19页。
- 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。
- With a practical prospecting example, this paper shows the effectiveness of surface seismic reflection and VSP joint exploration in finding hidden active faults in Shanghai. 本文结合在上海市区的工作实例,表明了地面地震和VSP联合勘探在查明市区隐伏活动断裂中的有效性。
- Regional seismic wave carries iota of information about structural variations in the crust and the upper mantin. 摘要区域地震波携带着大量的信息,可以很好地反映地壳和上地幔结构的变化。
- Body waves, the fastest seismic waves, move through the earth. 体波是最快的地震波,可贯穿地球。
- Body waves,the fastest seismic waves,move through the earth. 体波是最快的地震波,可贯穿地球。
- The seismic wave travels at different velocities in different media, therefore the seismic wave can be used to detect effects of grouting engineering. 摘要地震波法可明确测定不同介质中地震波的传播速度,因而可用在灌浆结构工程中的检测。
- I said previously that the use of seismic wave in exploring for oil is an important application of seismology. 正如我前面谈过那样,利用地震波勘探石油是地震法的一个重要应用方面。
- Seismic waves move out from the focus of an earthquake in all directions. 地震波从震中向周围的各个方向传播。
- Some changes in reservoir lithology and physical properties usually reflect in seismic wave form characteristics. 储层岩性、物性的变化往往表现为地震波形特征的差异,地震波形特征分析是岩性预测、油气预测的重要手段。
- Blowing up and excavating can create weak seismic wave by stealer, which call it microseismic. 偷盗者爆破或挖掘时产生的强度较弱的地震波,可称为“微地震”。
- Alarms can go out before the shaking starts because there is a lag between the time it takes for different seismic waves to travel to the surface. 警报能在地震开始之前就被发出,因为不同的地震波传到地表都会存在一个时间上的滞后。