This estimation relied on seismological techniques measuring the first seismic waves recorded, a method that lends itself to underestimation when a quake exceeds a magnitude of 8.5.
这项估算的依据是用地震技术测量记录到的第一批地震波，这种方法在地震超过8.5级时会造成估算不足。
Some geologists feel that the method they used, probabilistic seismic hazard analysis, may underestimate the possibility of earthquake hazards.
一些地质学家认为他们当前使用的方法，即基于概率的地震威胁分析，可能会低估地震威胁的可能性。
Application result shows that the method can more rationally ensure the isostatic energy at the different depth, and improve the credibility of seismic data.
实际应用效果表明，该方法能更加合理的保证不同深度地震信息能量的均衡程度，提高资料的可信度。
The experiments on artificial synthetic seismogram and actual seismic records show that this method is of practical use in proper accuracy range.
在人工合成记录和一些实际地震记录上的实验表明，这种方法在一定的精度范围内是有实用价值的。
The results of real seismic data have shown that this inverse method does not depend on the initial model and has high resolution.
实际地震资料的波阻抗反演结果，说明了这种反演方法不依赖于初始模型，并且具有极高的分辨能力。
An effective method has not been developed yet of quantitatively estimate signal-to-noise ratio of seismic record.
如何定量地估算地震记录的信噪比，至今尚未见到一种行之有效的方法。
Applying period frequency spectrum method to analysis of digital seismic recording is discussed in this parer.
论述了周期-频度谱方法在分析数字化地震记录中的应用。
Depending on the degree of safety to achieve structural control technique like active isolation, passive isolation or conventional seismic design method can be chosen.
依据所要达到的安全程度，可选择采用主动隔震结构控制技术、被动隔震结构控制技术或传统的抗震设计方法。
By application of some harmonious signals and real seismic records, the precision and stability of the method are proved.
谐波信号和有限实际地震记录的应用表明，本方法具有较高的识别精度。
Real data processing shows that this method improves obviously the processing effect of whole seismic section.
通过对实际资料的处理，说明本方法对提高地震剖面处理的整体效果是明显的。
Hence we derive the expression of fitting function and propose a new Q-value inversion method using non - linear parameter statistical modeling of seismic records.
为此我们导出了拟合函数表达式，提出用非线性参数统计模拟地震记录的方法反演q值。
The key of the method is to analyze the feature of high order statistic of seismic signal based on high order statistic.
该方法的关键是依据高阶统计量原理，分析地震信号的高阶统计量特征。
Deep reflection seismic method is characterized by high resolution ratio, accuracy and reliability, and is hence an effective technique for geoscience research.
深反射地震方法分辨率高、准确可靠，是用于地学研究的一种有效方法技术。
Discussion was made on the optimum design method for MTLD system to control the seismic responses of tall steel structures.
本文对高层钢结构MTLD地震反应控制优化设计方法进行了初步的探讨。
Because of its accuracy in outlining the Earth's subsurface, the seismic-reflection method remains the most important tool in the search for petroleum reserves.
文章首句指出：“由于‘地震反射法’(sr)在勾划地球的地下层面这方面的准确性，该方法一直是探寻石油储备的最重要的工具。” 这是一个判断句，为结论。
To raise vertical resolution, reservoir feature reconstruction is an effective method and seismic attribution interpretation is also very important.
储集层特征重构是提高纵向分辨率的有效方法，地震属性解释是提高横向分辨率的重要手段。
Test results of synthetic data and actual seismic data have verified the feasibility of this method.
理论模型和实际地震资料验证了该方法的可行性。
A seismic blind deconvolution method based on negative entropy was discussed.
讨论了基于负熵的地震盲反褶积方法。
The nonstationary random response of elastic circular arch under horizontal seismic excitation was studied by the method combining the pseudo-excitation algorithm with Galerkin algorithm.
应用虚拟激励法与伽辽金法相结合，分析弹性圆拱在非平稳水平随机地震作用下的随机响应问题。
The theory and method of regional seismic tomography is analyzed and studied in detail in this paper.
本文对近震层析成像技术的理论与方法进行了详细地分析和研究。
A new method that is applicable to local seismic networks to estimate the azimuth and slowness of teleseismic signals is introduced in the paper.
介绍一种新的适合于地方遥测台网数据处理的方法，估算远震信号到达台站的方位角和慢度。
The elastic response of structure under frequent seismic actions and the elastoplastic response under infrequent seismic actions are calculated by the method of time-history.
采用时程分析法分析了该组合结构在多遇地震作用下的弹性地震响应和在罕遇地震作用下的弹塑性位移响应。
Research work of seismic analysis methods is focused on time history method and stochastic vibration method.
对于抗震分析方法的研究主要围绕时程分析法和随机振动分析法。
A comparison with the traditional method of drilling shows that the seismic attribute method can locate the coal erosion boundary accurately.
与传统钻探解释方法相比，地震属性方法能够更准确地圈定煤层冲刷带的边界。
VSP Method is a seismic survey technology in Wells.
VS P法是一种井中地震观测技术。
New seismic design method, the setting of crossed reinforcing bars in specially shaped column is suggested after the proposition of the specially shaped column with concealed column.
在提出带暗柱异形柱基础上，进一步提出钢筋混凝土带交叉钢筋异形柱这一设计方法。
The horizontal prediction of thickness and porosity of a sand member in a region was made by applying multivariate statistical method to seismic attribute, drilling and logging data.
本文应用多元统计方法，利用地震属性并辅以钻井、测井资料对某地区某层段砂岩的厚度和孔隙率进行了横向预测。
The horizontal prediction of thickness and porosity of a sand member in a region was made by applying multivariate statistical method to seismic attribute, drilling and logging data.
本文应用多元统计方法，利用地震属性并辅以钻井、测井资料对某地区某层段砂岩的厚度和孔隙率进行了横向预测。
应用推荐