Through a study of the construction and usages of ontological metaphor,mainly container metaphor and conduit metaphor in Chinese modifier-noun phrases,the author draws the conclusion that many modifier phrases in Chinese are constructed through metaphor.

This paper classifies the metaphors in sports news report into two main categories: structural metaphors and ontological metaphors.

Based on the characteristics of collaborative design and RBAC(role-based access control) model,a new model named MDACM(message-driven access control model) is developed to solve security problem due to the distributivity and dynamic ability of collaboration through an authority that is expressed by a message entity or integrated message entity in combination with filter rule,then control by s.

The hiding of two dimension figure is realized by means of Auto CAD Automation technology and through definition and analysis of their geometric character.

We use perspective shifting, hiding, coloring and mapping method to render the surface model of engineering structure, such as pavement, slope, retaining－ wall, bridge, tunnel, and other traffic engineering facilities.

This method has been used to the hiding of 2D assemby drawings and proved to be a simple and practical way for engineers to go with advanced development in their own fields.