地震

It could be concluded that spectral decomposition can reveal geological structures of different size, It is an effective tool for depositional environment and reservoir study.

研究和分析表明：分频解释可以在不同的频带上显示不同级别的地质现象，是地震资料研究沉积环境和储层的有效手段；时频分析是实现地震分频解释的重要手段。

Spectral decomposition in essence is a continuous time-frequency analysis of a seismic trace.

地震反射是典型的非平稳信号，地震谱分解实质上就是连续时频谱分析。

Seismic responses of long-span single-layer and double-layer reticulated spherical shell under wave excitations and uniform excitation s are studied.

本文考虑了地震波的行波效应，采用不同的视波速，对单双层球面网壳结构在行波激励下的反应分别进行了计算分析，并与在一致激励下的地震反应进行对比，考察了两者之间的差异，深入分析了大跨度单双层球面网壳结构在行波激励下的地震反应规律，得出了一些有益于工程实际的重要结论。

The stochastic differential equation for structures with parametric and external excitations is established by using a concise derivation methods.

本文对单自由度结构在水平与竖向地震同时作用下的随机地震响应问题进行了系统研究。

Therefore, basic methodologies for stochastic seismic and filtering responses of nonlinear structure are studied, the approximate solution methodologies and their practical applications are investigated in the dissertation employing equivalent linearization and moment equations method based on FPK equations and Ito stochastic differential equations. The research works are mainly concerned with the following aspects:Firstly, the differential expression of bilinear hysteretic is studied and a new differential expression is developed, then they are demonstrated.

因此，本文基于FPK方程和伊藤随机微分方程，研究了滞后结构物的随机地震反应和随机滤波问题的基本方法，并利用等效线性化法和矩方程法，研究了非线性结构随机地震反应分析和随机滤波分析的近似解法及它们的工程应用。

It is thought in this method, that the accumulation and releasing of the earthquake stress on different sections of the strike fault zone have a strong coherence in the process of breeding earthquakes.

这种方法认为走滑断裂带在地震孕育过程中，各个断层的地震应力的积累和释放具有很强的相关性。

The structure of control earthquake is Northen Piedmont fault of Hengshan Mountain of NE strike,and the triggering seismic structure is second-order fault of NE strike.

分析了地震的发震构造，认为北东向的恒山北麓断裂是控制大同盆地的南部边界断裂，为控震构造，北西向的次级活动断层为此次地震的发震构造。

Based on dynamic reliability theory of structure, a calculation formula of earthquake insurance fee of buildings is derived in the paper,which can be for a reference of earthquake insurance .

本文以结构动力可靠性理论为基础，探讨了建筑结构地震保险费率的计算方法，供地震保险工作参考。

After considering the influences of the tensility performance and ratio of damping on the earthquake action of steel structure, the reference formula to design the earthquake force based on the λ is given.

在考虑了钢结构的延性性能、阻尼比等因素对结构地震作用的影响之后，给出了采用概率－延性调整系数的设计地震力的参考公式。

Studies on the earthquake sequences and the source mechanisms of the strong earthquakes show that Yunnan has more obvious subarea characteristics of earthquake type.

对云南地震序列和强震震源机制的分析与研究表明，云南地区具有较明显的地震类型分区特征。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。