其次根据宿主网格模型定义三维构图知识，包括构图坐标系类型和其他纹理映射参数；
The second is defining the 3D design knowledge of host polygonal model, including mapping coordinate type and other parameters.
该算法的基本思想是：根据模型特征或由用户定义一定数量的新点，再根据某些原则将新点分布到原模型上，生成一个中间网格。
Its basic idea is to distribute a set of new points onto original models on some principle, create an intermediate mesh. These points are figured out based on the features of model or defined by user.
定义工作流模型资源为网格资源，并遵照网格资源描述的规范描述工作流模型资源，实现从网格基础设施资源层支持协同工作流；
The workflow model is defined as the grid resource, and described according to the grid resource definition. The workflow-collaboration is implemented from the grid base level.
给出了网格、资源的形式概念定义，建立了网格资源实概念格模型。
The formal concept definitions of Grid and resource are given and the Grid resource real concept lattice model is proposed.
通过定义三角网格模型中的两个以公共边相连的三角形构成一个空间四边形，提出了一种新的基于这种空间四边形折叠的网格简化算法。
This paper presents a method to define the quadrangle in the triangle mesh and puts forward a new mesh simplification algorithm based on quadrangle collapse.
分析了以上两种模型存在的问题，为了使访问控制更灵活，提出了一种基于角色和任务的访问控制模型，并给出了模型的形式化定义、授权约束和在校园网格中的应用。
It puts forwards a new access control mode based on role and task to make access control more flexible. The formalized meaning, restriction and application in school grid are also presented.
分析了以上两种模型存在的问题，为了使访问控制更灵活，提出了一种基于角色和任务的访问控制模型，并给出了模型的形式化定义、授权约束和在校园网格中的应用。
It puts forwards a new access control mode based on role and task to make access control more flexible. The formalized meaning, restriction and application in school grid are also presented.
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