This paper introduced mode of collecting, technology of filtering and measuring process about image of three dimension composite preform surface.
首先介绍了三维编织复合材料预制件表面图象的采集方式、滤波技术以及平均编织角的测试过程；
In this article, we firstly analyze access control technology of current operating system. Then we discuss the three dimension access model, based on traditional access control model.
论文首先分析了现有操作系统的访问控制技术，然后在传统访问矩阵模型的基础上，讨论了三维访问矩阵模型，提出了基于程序的访问控制思想。
With the rapid development of the three-dimension digitized technology and Computer Graphic, simulation technology has more and more application in the medical field.
随着三维数字化技术及计算机图形学的飞速发展，仿真技术在医学领域也有越来越多的应用。
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