| 1. | Basic velocity structure
基本速度结构 |
| 2. | It is also found that the telluric heat flow value is stripped from south to the north and dispersed from east to the west
下地壳电性结构和速度结构明显具有纵向分层和横向分块的特点，其热流密度值具有明显的南北条带性和东西分块性。 |
| 3. | For determination of the validity of this method , we give the results of numerical simulation that show the method can reconstruct 3 - d velocity structure and interfaces well
为了检验三维介质中速度和界面联合成像理论的有效性，进行了数值模拟计算，很好地对三维速度结构和界面进行了重建。 |
| 4. | Two of the most predominant characteristics of surface wave are dispersion and attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior
频敌和衰减是面波传播中的两个基本特征，利用面波频散和衰减可以有效地研究地球内部速度结构和粘弹性结构。 |
| 5. | The third chapter of this paper explored the method of acquiring amplitude - ratio , and also the significance of the amplitude and gravity data for the probing of the crust and upper mantle ' s structure is investigated . thus the framework of inversion adopted by this paper is formed
本文第三章研究了相对振幅比的获取方法，探讨了利用振幅和重力资料模拟来约束地壳速度结构的有效性，从而形成本文层析成像工作的总体结构。 |
| 6. | Rayleigh wave method is a jumped - up and effective in - situ test . we can inverts the velocity structure of the strata through the quantitive interpretation of dispersion curve of rayleigh wave with this method , then distinguish and determine the physico - mechanical properties of the strata by the wave velocity in order to solve the geotechnical problems
瑞利波法是近年米新兴的、行之有效的原位测试方法，该法通过定量解释实测瑞利波频散曲线，反演地层速度结构，利用波速区分和确定地层物理力学特性，以解决岩土工程问题。 |
| 7. | It ' s found that the best absolute lateral resolution of the velocity on the hq - 13 profile is about 30 kilometer , while that of the depth parameter on this profile can be smaller than 10 kilometer . both of the velocity and depth parameter points are of 20 kilometers interval on the four profiles in yunnan region , their lateral resolution are also detected by the checker - board - test method
检测板试验的结果表明， hq - 13线速度地壳速度结构横向变化的最佳绝对分辨应在30km左右，该测线上界面形态横向变化的绝对分辨可以达到10km以内；取速度节点间距和界面深度节点间距均为20km的检测板试验表明，云南地区四条测线地壳内界面形态的横向分辨良好。 |
| 8. | Based on an integrated correlation and study of regional and deep geophysical data such as 12 magnetotelluric sounding profiles , 5 seismic profiles , tomographic imaging velocity structural data and gravity and magnetic field , the authors have formulated the 3d deep tectonic framework of the middle and lower yangtze valley and its neighborring areas in relation to the distribution of auriferous skarn deposits and copper ( associated with gold ) skarn deposits
作者借助12条大地电磁测深剖面、 5条地震剖面、层析成像速度结构资料、重磁场等区域的和深部的地球物理资料进行综合对比研究，给出长江中下游及其邻区的三维深部构造格架及其与含金夕卡岩矿床和铜伴生金夕卡岩矿床的分布关系。 |
| 9. | It shows that the resolution of the crust interface ' s shape on this four profiles is very good , nevertheless that of the velocity structure is relatively poor . the crust and upper mantle ' s fine configuration on the hq - 13 profile is obtained by our tomography , which reveals some important structure and dynamic features of this region : the velocity structure of the crust consists of three layers , the upper crust , the middle crust and the lower crust . however it also can be divided into six lateral blocks , each of them " s velocity is always higher or lower than that of its neighboring blocks
本文第五章利用有限差分反演和射线反演的方法获得了符离集?奉贤地震测深剖面( hq - 13线)精细的地壳上地幔结构剖面，揭示出下扬子地区一些重要的结构和动力学特征：地壳速度结构在纵向上大致可分上地壳、中地壳和下地壳三部分，横向上可划分为6个块体，各块体的p波速度沿测线方向呈现高速?低速?高速的组合。 |
