二维的

Although we can use 2-D forward and inversion to solve problem in work, but the method is not adapted with 3-D geoelectric section.

虽然采用二维反演方法可以解决一些野外实际问题，但与实际三维介质相比其计算精度和整体反演效果仍然不能满足实际的需要。

Early diagenesis has broad and bright prospects not only in theory but also in application, and three future trends are predicted. First, the area of early diagenesis study will be enlarged widely to lake, delta, soil. Then, the stable or nonstable one-dimensional, two-dimensional or three-dimensional multi-layer early diagenesis models will be established, and the methods and theoretical achievements of early diagenesis will be widely applied in environmental sedimentology to supervise and treat environment pollution.

早期成岩作用研究具有广阔的发展前景，未来可能在以下3方面快速取得突破：研究区域将进一步扩大，湖泊、三角洲及土壤中的相应研究将得以加强；多层的稳态或非稳态的一维、二维或三维的早期成岩数学模型将得以建立；其研究方法和理论成果将被广泛应用于环境沉积学及环境监测和治理等领域中。

Two optimal criteria of the vertex normal vector estimation are presented.

给出了一个判别二维多边形和三维多面体顶点法矢计算方法优劣的准则。

The original inspiration came from paper folding technique, where one hand converts a two dimensional space into three dimensions, while the other hand ensures stiffness in the direction of the folds.

最初的灵感来自折纸技术，其中一方面转换成三维二维空间，而另一方面是要确保在折叠方向刚度。

This paper proposed a two-dimensional orthogonal projection similarity-based 3D model retrieval system.

提出了一种基于二维正交投影图像的三维模型相似性比较算法。

Using computer to control camera to shot the object continually and process the image timely, the pels coordinates of the laser can be get accurately. The 2-D coordinate can be changed to 3-D coordinate based on the arithmetic model builded and the automatic measurement is completed after the object can be rebuild as point cloud.

利用计算机控制摄像头对实物进行连续拍摄，并对图像进行实时处理，从而获得精确的激光线上的像素点坐标，利用建立的算法模型，将已知的二维坐标转换成三维坐标，以点云信息的形式重构出物体，完成三维自动测量。

The percentage error of the measurement on surface reconstruction image was related to the lesions dimensions.

测量关节软骨病变大小在1mm扫描层厚的SSD三维重建图像上较二维磁共振图像更为准确（P〈0.05）。

Photoelasticity is applied in two- and three-dimensional stress analysis widely.

光弹性法可广泛用于二维、三维应力或应变场的研究。

It includes high-level commands for two-dimensional and three-dimensional data visualization, image processing, animation, and presentation graphics.

它包括高级的二维，三维数据可视化，图像处理，模拟，图形表示等图形命令。

When realizing the algorithm, the strategy of projection to 2D plane is utilized.

对不同复杂程度的三维地质模型进行切割实验，发现化繁为简和二维投影策略极大地提高了算法效率。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。