| 1. | Individual sandstone bodies tend to offset one another in adjacent horizon .
各个砂体往往在相邻层位上互相错开。 |
| 2. | Based on the proposed in this thesis and nonlinear time history analysis , the reasonable lateral stiffness between the soft storey and neighboring storey is given
基于本文提出的模型,通过弹塑性时程分析,给出了薄弱层与相邻层合理的刚度比值。 |
| 3. | Sequence with features of proximal storm deposits associates closely with sequence with features of distal storm deposits at the longtangwan section , possibly resulting from differences in strength of storm fluids or in landing path of storm fluid
另外，不同的、类似于近源和远源的风暴沉积序列出露于同一剖面的相邻层位，可能反映了风暴登陆路径或者风暴流强度的差别。 |
| 4. | The ray - intersection method is used to determine the nesting level of contours in the same layer , and the contours match relationship between two adjacent layers is established according to contours geometry comparability and relative position fixity
使用射线法确定同层轮廓间的关系，并在此基础上，提出根据相邻层轮廓间的几何相似性和相对位置不变性等特征，确定相邻层轮廓之间匹配关系。 |
| 5. | By matching overall corresponding points , divide and conquer method is adopted in determination of local corresponding points between adjacent sections . the determination of overall corresponding points also provided a method of modifying the correspondence between adjacent sections
通过引入全局对应点，采用分治方法确定相邻层轮廓的对应点，同时全局对应点还为修改拓扑重构的结果提供了一种手段。 |
| 6. | On the base of determination of corresponding points between adjacent sections , dissimilar segments are separated to construct spatial dissimilar polygons . then triangular mesh interpolating the cross sections are obtained by tiling the dissimilar polygons and similar segments
在确定相邻层轮廓对应点的基础上，将不相似部分分离出来并跟踪不相似部分构成不相似多边形，然后分别对相似部分和不相似部分进行三角化，得到三角网格模型。 |
| 7. | Firstly a qualitative criterion for determining the space between adjacent sections in the sampling process and gaussian smoothing algorithm is proposed . then a topological reconstruction method is given . at last a new reconstruction method based on the similarity between adjacent sections is proposed
首先提出了确定断层间距的定性方法和数据平滑处理的高斯方法，然后给出了一种拓扑重构方法，最后提出了一种基于相邻层轮廓相似性的曲面重构新方法。 |
| 8. | For frames of more than 3 stories , the weakest story is first selected and a three - story sub - assemblage including the weakest column is taken out , and the proposed method is applied , the effective length of the weakest column is thus obtained , the effective length of the remaining columns are computed through a pre - defined relations . because the sub - assemblage included beams at far ends of the columns above and below the column under consideration , the far end condition ( hinged or fixed ) may be considered easily
对于更多层的情况，先判断薄弱层，再假定薄弱层的上下层柱远端的梁端约束全部提供给与薄弱层相邻层的柱，取出薄弱层及其上下层的梁柱，按前面处理两层或三层框架的方法可以得到薄弱层柱很精确的计算长度系数，相应导得其它层柱的计算长度系数。 |
| 9. | From the characteristic of district geochemistry , we can figure out , cu , ag , pb , zn abnormality main spread along the west branch river set and close to border layer , and the rock chemistry analysis prove , west branch river set have the higher ag chemical element abundance , the cu have the characteristic of asymmetry distribute , and display the migration of element in the late multiphase tectonic activity
从区域地球化学特征可以看出， cu 、 ag 、 pb 、 zn等元素异常主要沿西岔河组及相邻层位分布，岩石化学测量证明，西岔河组在区域上具有较高的ag元素丰度值， cu元素具不均匀分布特征，显示出元素在后期的构造活动中的活化迁移。 |
| 10. | To fulfill the need of the application of rp technique in medical domain , reverse cad modeling from medical cross sections is systematically studied in this dissertation . firstly , some algorithms related to the research of this dissertation are studied . new algorithms for orientation and inclusion test for simple polygon , an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed
本文针对rp技术在医学领域应用的需要，系统研究了基于医学断层轮廓数据的反求cad建模理论和方法： ( 1 )在基础算法研究部分，提出了简单多边形方向及点在多边形内外判断的新方法、三角b zier曲面片离散的误差控制定理和一种带误差约束的b样条曲线的自动光顺方法； ( 2 )提出了一种基于相邻层轮廓相似性的医学断层轮廓数据曲面重构方法； ( 3 )提出了一种称为“虚拟测量”的曲面模型处理方法。 |
