横向

First of all, the report introduced evolution, achievments and problems in the study of anisotropy in the inner of earth. The first-order hyperbolic system of equations is work out, which is used to describe the wave motion in 2D transversely isotropic media. Utilizing the characteristics of free-divergence, We have imposed MacCormack theme that is used to simulate multicomponent records in anisotropic media and have developed a fast high order vectorized finite-difference algorithm adapted for the vector supercomputer.

本文首先阐述了地球内部介质各向异性研究的沿革、成就和问题，接着给出了描述二维横向各向同性介质中波动的一阶双曲型方程，利用其自由发散特性，构制了各向异性介质中多波多分量地震记录数值模拟的MacCormack算式，导出了适用于并行计算的二维横向各向同性介质中波动的有限差分模拟算子，该算子具有可并行化计算、相位差小等优点。

In this paper the key points discussed were that, under the condition of a sharp hypsography of desert areas of Ordos basin, we used some new geophysical methods in the investigation of surface structure to obtain high accurate surface structure data and provide reliable scientific foundation for data acquisition and process; we dealt with the optimum coupling of surface geophones and the digital realization technique in desert areas, dug into a method of high frequency compensation according to attenuations by absorption near surface, adopted data processing and correction technique, solved high frequency attenuation and geophone coupling, eliminated the influences of sharply transverse fluctuation of hypsography in desert area on the seismic data, enhanced the fidelity and SNR of seismic section, and finally picked up more geologic information on the seismic profile and improved the precision of the lateral prediction for the reservoir beds.

本文旨在研究鄂尔多斯盆地沙漠区地表变化比较大的情况下，在表层结构调查中通过应用一些地球物理新方法，以获取高精度的表层结构数据，为资料采集和数据处理提供更科学的依据；研究在沙漠区地表检波器最佳耦合的方式与数字实现技术，研究通过近地表的吸收衰减规律进行高频补偿的方法，采用数据处理校正技术，解决高频吸收及检波器耦合，消除沙漠区表层横向剧烈变化对地震资料的影响，提高地震剖面的保真度和信噪比，从而使更多的地质信息能够从地震剖面中反映出来，提高储层横向预测的精度。

Numerical test shows that the method presented in this paper can be applied in the lateral inhomogeneity study of the Earth Interior.

数值检验表明，本文所提出的横向非均匀介质接收函数的数值模拟与偏移成像可用于地球内部介质横向不均匀性的研究。

Results show that vertical ground vibrations are generally greater than the lateral vibrations in the area vicinity to the central line of the railway, and decrease rapidlywith an increase in the distance to the central line.

结果表明：列车通过时，地面的竖向振动普遍比横向振动大；在靠近线路中心的区域，竖向振动随到线路距离的增加很快衰减；地面的横向振动有时比竖向的大，计算时不应忽略；地面振动强度和传播范围随地基弹性模量和埋深增加而减小。

Division of a basin into several fluid dynamic systems is a complex procedure which needs a comprehensive study and inference on tectonics, stratigraphy, temperature, fluid dynamics and fluid geochemistry, and the relation between temperature and pressure. Its main objectives are the vertical division of several systems and determination of influenced area by lateral gravity-driven fluid flow.

而在盆地内进行纵、横向上流体动力系统的划分，是一个基于构造、地层、温度、流体动力和流体化学等方面以及温度-压力关系综合分析的一个十分复杂的资料整理、信息加工和逻辑推理过程，其目的主要是在纵向上把控制油气成藏的不同的流体动力系统分开，在横向上确定重力驱动流侵入的范围。

The principles are as follows:①preliminary interpretation is carried out on crosswell seismic data in depth domain to establish an accurate velocity model;②sinc interpolating function is used in depth-time conversion to realize waveform fidelity;③the recognition of surface seismic data is utilized to ascertain the reflection characteristics of crosswell seismic data in time domain;④ good spatial continuity of surface seismic data is adopted to retrieve the "hopper" defect in crosswell seismic profiles and the deficiency of lateral contrast between crosswell seismic data;⑤in fine calibration of well-side traces of crosswells and surface seismic data, coincident time-depth relation is used to match two seismic data so as to make the calibration more reasonable;⑥in multi-crosswell seismic data inversion by sparse spike inversion method, lateral restraints are strengthened to ensure the continuity of inversed wave impedance profile.

实现反演的基本原理是：对深度域井间地震资料进行初步解释；建立精确的速度模型；在对井间地震剖面进行深时转换时采用sinc插值函数实现波形保真；利用对地面地震资料的认识来落实时间域井间地震资料的反射特征；利用地面地震资料良好的空间连续性弥补井间地震剖面的"漏斗"缺陷和井间资料之间横向对比性的不足；在井间地震和地面地震井旁道精细标定中，通过一致的时深关系来实现两种地震资料之间的匹配，使井旁道的标定更加合理；在利用稀疏脉冲反演方法进行连井井间地震资料反演时，通过增强横向约束保证反演波阻抗剖面的连续性。

To a certain depth below ground surface, lateral soil resistance is nearly equal to the static soil pressure.

达到一定深度后，横向土抗力主要是静止土压力，而由荷载引起的横向土抗力很小。

The corrugated lateral surface superlattice is one important kind of structures in such low-dimension systems and it has been possible to fabricate ultrafine periodical lateral structures and provide more adjustable structural parameters.

折皱横向表面超晶格就是其中一类重要的低维结构，并且人们已经能够刻制出具有高精确度和更多可调结构参数的横向周期结构。

For the aim, it is need to find the law of lateral vibration.

为了更好的实现横向振动的控制，就需要深入了解锯片横向振动的机理。

On the basis of that, the latitudinal attitudes of the shipping are estimated by using Kalrnan filtering. Then, the stochastic optimal control schemes of the latitudinal attitudes are also studied.

在此基础上，用卡尔曼滤波方法对其横向所受力矩进行了最优估计，并进行了横向姿态的随机LQG控制规律的研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。