A proposed joint project would develop a prototype or demonstration model for the "21st-century national information infrastructure".
一项拟议中的联合项目将开发用于“21世纪国家信息基础设施”的原型或示范模型。
Digital earth is the important part of the national information infrastructure, and a focus paid close attention to in recent years too.
数字地球是国家信息基础设施的重要部分，也是近年来关注的热点。
One helpful way is to think of the national information infrastructure as a network of highways, much like the INTERSTATES of the 1950s.
一种有用的方法是把国家信息基础设施想像为50年代州际高速公路网络。
Main depicted mathematical modul of national information infrastructure and class base management system of multidimensional information.
主要提出描述国家信息基础结构的数学模型和多维信息的类库管理方法。
Main depicted mathematical modul of national information infrastructure and class base management system of multidimensional information.
主要提出描述国家信息基础结构的数学模型和多维信息的类库管理方法。
应用推荐