三维

By the end of 2005, SiWu has made achievements of the seismic data acquisitions of 154,200 kilometers in 2D and 4807.75 square kilometers in 3D, 110,000 square kilometers in gravitational, magnetic, and electrical surveying, over 900 promising regional structures and traps, over 500 wellsite recommendations and hundreds of exploration reports.

截至2005年年底，第四物探大队共完成二维地震15.42万剖面千米，三维地震4807.75平方千米，重、磁、电勘探11万平方千米，发现有价值局部构造和圈闭900余个，提供500余口井位建议书，提交了数百份勘探成果报告。

By the end of 2005, the No.4 Brigade has made achievements of the seismic acquisitions of 154,200 kilometers in 2D and 4807.75 square kilometers in 3D, 110,000 square kilometers in gravitational, magnetic, and electrical surveying, over 900 promising regional structures and traps, over 500 wellsite recommendations and hundreds of exploration reports.

截至2005年年底，第四物探大队共完成二维地震15.42万剖面千米，三维地震4807.75平方千米，重、磁、电勘探11万平方千米，发现有价值局部构造和圈闭900余个，提供500余口井位建议书，提交了数百份勘探成果报告。

Therefore, in this thesis, a new set of models about breaking probability and whitecap coverage is set up using this breaking criterion. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics (Sun Fu 1988), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived.

在线性海浪假设下，基于孙孚（1988）关于三维海浪要素统计分布的理论框架，具体给出二维海浪波峰处质点水平速度和表观相速的联合分布等分布函数，在此基础上，根据运动学判据，分别建立起风浪破碎率和白浪覆盖率的理论模式。

Research on fast algorithm of point inclusion query. From the point of view of computational geometry, winding number is extended from close curve to line segment, polygon, 2-dimensional object, plane subdivision, polyhedra, 3-dimensional object and 3D subdivision.

7，研究点查询的快速算法，从计算几何的角度将环绕系数扩展到一个除闭合曲线外的线段，多边形，二维对象，平面分割，多面体，三维对象，三维空间分割等，进而构造出各种情况下的点查询代数算法。

In depth wavefield migration, in order to extend the 2D implicit method to 3D case, a blocklike diagonal matrix has to be inverted.

在深度偏移方法中，把二维隐式方法推广到三维，就会面对一个分块对角矩阵求逆问题。

Purpose: To evaluate the clinical significance of three-dimensional(3-D) computed tomographic reconstruction in the treatment of calcaneal fractrue.

目的：评价跟骨CT二维图像的三维重建对跟骨骨折治疗的临床意义。

Their adsorption rate on the molecular sieve catalysts surface and the stability of their carbonium ions were then obtained based on the molecular simulation on these molecules from their dipole moment, 2-dimensional electrostatic potential energy contours and 3-dimensional electrostatic potential energy isosurface.

采用半经验的AM1量子化学计算方法和静态理论，分别考察了噻吩、 3 甲基噻吩和 2 ，5 二甲基噻吩分子结构特性的不同，从偶极矩、各自垂直于芳香环平面的二维电势能分布曲线和整个分子周围三维电势能分布情况等方面分析了它们在分子筛催化剂表面吸附速度的快慢和生成正碳离子稳定性的高低，进一步比较了噻吩及其衍生物所生成的正碳离子进一步反应的能量变化，从而可判断噻吩及其衍生物裂化脱硫速度的快慢，噻吩及其衍生物裂化脱硫的速度由大到小分别为：2 ，5 二甲基噻吩、 3 甲基噻吩、噻吩。

Three-dimensional CT images were obtained from circumgyration and incision at will.

电子束CT在颌面部骨折的诊治中有很大的应用价值，二维CT和三维CT互相补充是诊断颌面部骨折的最佳方法。

using computer-aided designation2-D titanium armor plates could obtain the better clinal effect.

应用数字化成型二维钛网修复体修复颅骨缺损的效果优于三维易塑型钛网修复体。

Taking hyperchaotic Chen system and Rossler system as an example, the method is proved commendably effective and feasible.

以四维超混沌Chen系统和三维Rossler混沌系统为例，验证了这种控制器的有效性。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。