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It is pointed in this paper that the key of bits hydraulic design is to optimize flow field structure from the view of 3-D flow, and combining with CFD techniques to design and optimize bit hydraulics will be good to make domestic bit research progress.

本文首先提出以旋转系统内部三元流动理论去研究井下流场结构是钻头水力设计的关键，并指出借助CFD计算技术设计流场和优化钻头设计将更有利于我国钻头水力研究的发展。

Dexotroscope operation planning system can help doctors to analyze the patients＇ image data on a 3-D view and video outlook.

应用该系统可在术前制定精确而详细的手术计划，并可模拟手术经过，提前了解手术的难易程度，同时它也是极其理想的临床培训和教学工具。

To explore a feasible method for the reconstruction of nasal and temporal bone part of Chinese virtual human project and provide a more accurate, complete and facilitated way to 3-D view for medical workers.

目的：为可视化虚拟人体模型鼻部及颞骨解剖结构的三维重建探索一种可行的方法。

An image-based rendering method that can successfulty support the representation of 3-D surface details and view motion pasallax is presented.

提出一种新的基于图像绘制的方法，能高效地利用图形硬件进行加速，避免成像过程中烦人的空洞填补计算，高质量地反映物体表面的三雏凹凸细节及视差变化。

The 3D Mouse atlas site allows visitors to query cerebral structures of a 13.5 dpc mouse embryo and view 3-D reconstructions of those structures as well as reconstructions of the entire embryo.

三维小鼠图集网站让流览者能查询出生后13.5天的小鼠胚胎的大脑结构，观察那些结构和整个胚胎的三维重建图。

Using three moment invariants describing 3-D object reduces data greatly in the model database, this provides a potential solution to 3-D object recognition in arbitrary view.

用三维不变矩来表示三维物体可以极大地减少模型库中的数据量，为从根本上解决任意角度三维目标识别问题提供了潜在的希望。

USC team reveals structure of APOBEC family protein - Researchers at the University of Southern California have provided the first 3-D view of a protein from an enzyme family that, through its ability to mutate genes, can both help and hinder human health.

家庭补贴队揭示蛋白质结构apobec -美国南加州大学的研究人员提供了一次三维鉴于从酶蛋白家族，通过基因变种能力，一方面有助于人类健康和阻碍。

The final rehearsal reportedly included dancers, musicians and aerial performers, as well as Jackson suspended from a crane at one point and a 3-D view of a "Thriller"-inspired haunted mansion.

据报道，最后的彩排包括舞者、乐师和空中表演者，而Jackson则悬吊着、以从鬼屋出现的3D视角的Thriller造型现身。

Cutting discontinuities's 3-D model could get cutaway view and date directly on AutoCAD plat, it will be good for research instability clastic mass. The author select rock mass from damsite in Laxiwa hydroelectric station as object to which information processing system on rock mass structure is applied.

通过结构面的数学建模，使采集所得结构面数据的处理实现了信息化，程序化，应用多功能数据库在计算机上人机交互划分岩体结构，初步实现岩体结构的信息化，并且通过结构面与相关实体的真三维实体模型的建立，既可清晰直观的展示结构面模型的空间形象，又可容易的切割模型并获取切图的数据，对不稳定块体的分析研究提供了强有力的辅助手段。

MGM is introduced to solve field distributions in 3-D electron optical systems. The difference equation, the discrete form of Laplace's equation, is deduced in 3-D Cartesian coordinates. In view of the smooth effect, MGM combines Gauss-Seidel iteration with a technique known as coarse grid correction. Formulae for restriction and prolongation are deduced and expressed in terms of tensors.

将多重网格法引入电子光学系统中三维静电场的计算，对三维笛卡尔坐标系中的差分方程，采用高斯-赛德尔迭代法求解差分方程组，并结合迭代过程讨论了粗网格的误差校正技术；在不同网格层之间进行场值的限制和延拓，推导了三维静电场中的限制、延拓公式并以张量的形式表示。

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。