按照数学家们的分类，三叶形是最简单的纽结。 所谓纽结，它是三维空间中不与自己相交的封闭曲线，或者说是三维空间中与圆周同胚的图形。
The trefoil is the simplest knot in mathematicians' classification.
这个应用程序允许在一个单独的框架中查看与每个几何图形相关的非空间属性。
This application allows you to view the non-spatial attributes associated with each geometry in a separate frame.
建立了地形数据与图形空间的映射关系。
空间是设想不仅透明，而且与许多不同的图形和敏感性创造异构的，城市的一系列填补。
The space is conceived to be both transparent and filled with a range of different graphics and sensibilities creating a heterogeneous, urban whole.
与通用算法比较，计算时间、存储空间的开支和图形显示效果方面都有较好的改进。
Comparing with the general algorithm, it has obvious advantage in computing time, memory room and graphical display effect.
色彩管理技术是与桌面出版和数字印刷息息相关的关键技术，实现图形图像在不同色彩空间之间的保真转换。
Color management is the key technique in desktop press and digital printing which implement the transform between different color space.
林火地理信息系统（GIS）是一种包含空间资料库管理的地理信息系统，它具有储存，处理，投影转换和取回与显示图形资料的能力；
Geography information system (GIS) is a system which includes the management of interspace data, and it has the abilities of memory, settlement, projection transition and displaying graphs.
将这两种方法获取的空间曲线数据与手工计算获取的数据进行对比分析，结果表明该图形编程系统精度高，效率快，更有效地满足实际应用。
Compared the space curve data from the two methods and formula's calculation by hand, the result indicates the system which held is higher precision and effective satisfied with practical application.
布满规则几何图形的绒布背景墙和以柔和的灯光，凸显出空间的女性风格与柔媚气氛。
Rules of geometry, cloth-covered backdrop and with soft lighting, highlights women's style and Roumei space atmosphere.
研究的目的是力图形成区域运输空间经济分析理论与方法。
The purpose of study intends to develop the economical analysis theory and method of regional transport space.
为了研究两平面相交可见性的规律，从空间一个平面的投影特点入手，将平面分别设定为正面、背面两面，讨论平面图形各顶点投影顺序与平面正面、背面的投影所具有的内在规律。
To study the intersection visibility of two general place planes, this paper set the planes as two faces of front and backs from the point of projection character of a space plane.
它可以高效地创建、操作、分析和显示各种类型的地理或空间参照的数据，它能将图形与数据有机地结合起来，充分地表达数据的地理图形信息。
It can efficiently create, operate, analyse and display manifold data of geography or space reference, combine graphics and data, express the information of geography graphics.
同时对GIS数据的排序方法以及图形空间关系的检查也做了讨论，并探讨将扩展模型应用于土地GIS基础数据的质量控制与检查工作中，以提高数据检查工作的效率和自动化程度。
The method of GIS data sorting is also achieved in this paper. With the application of this update model, the job of land GIS basic data quality control and inspection will be more efficient.
针对大规模空间封闭图形的高效识别，考虑与识别有关的各个阶段，给出基于转向法的空间封闭图形识别总体方案。
Aiming at efficient recognition of large-scale closed space graph, an overall scheme of recognition based on turning is given, considering the various stages related to recognition.
该软件系统适合三维空间信息的研究，基本功能分为三大部分：空间信息结构分析、克立格估值与图形显示。
This system is suitable for studying 3d spatial information, and its primary functions include: structure analysis of spatial information, kriging estimation and graphical display.
该软件系统适合三维空间信息的研究，基本功能分为三大部分：空间信息结构分析、克立格估值与图形显示。
This system is suitable for studying 3d spatial information, and its primary functions include: structure analysis of spatial information, kriging estimation and graphical display.
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