这种臂环也可以纳入一只投影器械，将动态图形用户界面显示在用户的手腕等部位。
The armband also can include a projector able to display a dynamic graphical user interface onto, for example, the user's wrist.
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.
基于多投影仪的无缝拼接显示是对图形、图像、视频等进行大范围、高分辨率显示的一种有效实现方式。
The seamless tiled display that is based on the multi-projector is an effective realization for the wide field and high-resolution display of graph, image, video and so on.
对三维图形计算机显示的基本原理进行了讨论，详细介绍了坐标系变换、投影变换和明暗处理及光照模型的基本原理。
Then, the basic principles of drawing 3d graph by computer are discussed, particularly explained the fundamental theory of coordinate transform, projection transform and light model.
对投影矩阵和消隐算法等进行了改进，使计算机处理图形的速度得到了很大的提高，同时使最后得到的图形更能准确的显示用户所关心的问题。
Enhance the speed of the computer in process graphics by upgrade the projection matrix and Visible-surface detection, and let the graphics achieved show the problem that user care most.
对投影矩阵和消隐算法等进行了改进，使计算机处理图形的速度得到了很大的提高，同时使最后得到的图形更能准确的显示用户所关心的问题。
Enhance the speed of the computer in process graphics by upgrade the projection matrix and Visible-surface detection, and let the graphics achieved show the problem that user care most.
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