常見(jiàn)例句雙語(yǔ)例句A formal model is proposed to describe time character of constraint in this paper.提出一套形式化地描述時(shí)間特性的模型，使之能夠描述帶時(shí)間特性的授權(quán)約束。In the paper, we study these problems memtioned above by symbolic logic, and propose a formal model of RBAC.本文針對(duì)這個(gè)問(wèn)題，從數(shù)理邏輯的角度出發(fā)，建立了一個(gè)形式化模型。A formal model that analyzes the conflicts and cooperation between different businesses will be adopted in this thesis.本文中用一種正式的模型來(lái)分析企業(yè)之間的沖突與合作。權(quán)威例句To this end, UNESCO will be promoting the inclusion of MIL in formal and non-formal education systems through its Model Media and Information Literacy Curriculum for Teacher Education, which will be released soon.UNESCO: Communication and Information 返回 formal model