这后一性质说明了为什么几何实现一般需要用三维空间而不是二维空间。
This last property illustrates Why, in general, three-dimensional space is required for the geometrical realization rather than two-dimensional space.
曾几何时一切都可管理还是物理上可实现的。
There was once a time when everything that was manageable could also be physically touched.
在设计阶段，这种精确的工作使我们能够用高精度的技术，实现精确的几何形状。
This precise work during the design phase allowed us to achieve an exact geometric shape with high-accuracy technic.
鉴于良好的业绩数值模式，不同的流动和几何参数是可以实现的。
Given the good performance of the numerical model, different flow and geometrical parameters could be achieved.
本文实现一种算法，不仅能进行几何简化，还能简化模型的表面属性，包括：颜色和纹理。
In this paper, we present the implementation of an algorithm, which can handle not only geometric simplification of models but also that of surface attributes, such as colors and textures.
通过ACIS提取几何模型信息，建立制造特征库与采用基于规则的方法实现对制造特征的识别与重构。
Geometric model was extracted through ACIS, manufacturing feature was recognized reconstructed through establishment of manufacturing feature library and using of Rule-based method.
分析了层次包围盒碰撞检测算法的实现流程和基本几何元素间的相交测试计算。
I described and analyzed the flow chart of the collision detection algorithm of hierarchical bounding volume and intersection testing method of the basic geometrical elements.
运行程序完成了网络训练模块和数据仿真模块，从而可以完成焊缝几何形状的预测，实现焊接参数的优化。
Run the program and accomplish network training module and data simulation module, then can complete the forecast of geometrical figure of welding line, realize the optimization of welding parameters.
住宅与繁茂的前景之间的相互作用是通过基本几何元素的组合方式来实现的，几何元素之间充满了孔洞，从而与边界分离。
The way the house interfaces with the lush foreground was achieved by composing basic geometric elements, infused with voids to detach from its boundary.
本文采用非线性系统的微分几何方法实现交流异步电动机的解耦控制和完全线性化，为交流传动系统提出了一种新的控制方法。
Using the method of Differential Geometry, the decoupling control and complete linearization of the induction motor are realized, so a new control method for AC drive system is obtained.
基于参数曲线和曲面控制的空间变形是重要的几何外形编辑和柔性物体动画实现手段。
Space Deformations controlled by parametric curve or surface are important methods for geometric shape edit and flexible object animation.
依据合成孔径雷达(SAR)距离方程和多普勒方程，用SAR成像参数可实现SAR图像的几何校正。
According to the Range Doppler equations, the geometric calibration of SAR image can be realized using SAR imaging parameters.
变循环发动机是现代多用途战斗机的理想动力装置，实现变几何调节是其发挥性能优势的关键。
Variable cycle engine is an ideal powerplant for modem versatile fighters, and realization of variable geometry adjustment is the key to make the most advantage of this engine.
变循环发动机是现代多用途战斗机的理想动力装置，实现变几何调节是其发挥性能优势的关键。
Variable cycle engine is an ideal powerplant for modern versatile fighters, and realization of variable geometry adjustment is the key to make the most advantage of this engine.
众所周知，对于一般非线性系统的控制。微分几何法是实现局部镇定的经典的方法。
For general nonlinear control systems, it is well-known that the differential geometry method is a type of classical method to realize local stabilization.
介绍了几何影像测量软件的实现过程。
The geometric image measurement software implementation process and skills is introduced.
此模型能有效捕捉并自动识别服装制板过程中反映用户设计意图的几何约束关系，实现服装纸样的参数化。
This model could capture geometric constraints effectively and distinguish user's intentions automatically in the process of drawing graph theory so as to realize parametric design of apparel pattern.
针对这个问题该文基于人机交互中的笔交互技术，设计并实现了一套几何教学系统，并将双向几何约束的相关技术应用于该系统中。
To solve this problem, this paper designs and implements a geometric teaching system based on PUI (Pen User Interface), and applies technique of bidirectional geometrical constraint to this system.
实验表明，采用该算法实现的水印对常见的图像处理和几何变换具有很好的鲁棒性。
The results demonstrate that the watermark is robust for general signal processing and geometric distortions.
为了减少相邻帧画面在地形不同层次细节之间变化所引起的几何跳跃，采用了滞后合并的方法来实现动态构网过程的几何过渡。
To mitigate the visual "popping" during the detail level transit, we introduce a deferred merging method to realize the geomorphing in terrain mesh refinement.
通过约束传播分析，为几何约束求解引擎的实现提供了理论依据和快速算法。
All these measure along with propagation analysis of constraints established the theory and quick solution of geometric constraint engine.
在图形显示模块中，实现了模拟区域几何形状、格点热循环曲线、格点选择概率及晶粒尺寸分布的可视化。
In the drawing module of graph, geometric figure of simulated domain, thermal circulation curve and selection probability of each site and grain size distribution are visual.
网格曲面编辑是网格处理的核心技术，其目的是为用户提供直观，高效的曲面编辑手段，实现复杂几何模型的构造。
As the core technology of mesh processing, mesh editing aims at the effective construction of complex geometry models with intuitive and high-efficiency editing approach.
提出一种利用尺度不变特征变换(SIFT)特征点实现对抗几何攻击的水印方案。
The image watermark scheme based on Scale Invariant feature Transform (SIFT) feature is proposed for resisting geometric attacks.
区域公路网络结构的几何模型及计算机实现、最短路的计算及其辨识在交通量预测中起着重要的作用。
The geometric model and computer programming of local highway network plays an important role in traffic estimate, as well as the calculation of shortcut and its reorganization.
在该计算格式中，实现了几何形状复杂的多维问题向一维问题的转换，从而提高了有限元离散节点的计算精度。
Using this computational format the transformation frame multiple-dimensional problem with complex geometry shape into one-dimensional problem is realized, so that computation precision is increased.
本文介绍了实现几何构型的一个行之有效的方法——有向平面法。
This paper describes the method of the directional plane, an effective method to realize the geometrical construction.
提出了实现图象几何变换的迭代函数系统(IFS)参数修改法，导出了实现图象平移、旋转和缩放的IFS参数变换公式。
A novel image geometry transformation method based on modifying IFS coefficients is proposed. Formulas for modifying IFS parameters to translate, to rotate and to dilate images are presented.
在4坐标数控机床上实现了几何误差的软件补偿。
The software compensation of geometric error is realized in 4-coordinate NC machine tool.
在4坐标数控机床上实现了几何误差的软件补偿。
The software compensation of geometric error is realized in 4-coordinate NC machine tool.
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