dada model

基本解释

The topology was represented with scheme-tree and adjacency list in the new model with dada saved in the database, so that data redundancy had greatly reduced and evolution was depict distinctly.
该模型用方案树与邻接表描述动态路网的拓扑结构，用数据库存储路网数据，达到了尽可能减少数据冗余度并有效揭示动态性的目的。
These models can be extended relational model, object oriented model and other special data models. These models show high ability of dada modeling on complex data in engineering application area.
这些数据模型或对传统的关系模型进行扩展，或采用面向对象模型以及其它各类专用的数据模型，在工程应用领域中显示出强大的威力。
With the theoretical analysis and experiment dada of document, the engineering model of rod dispersing velocity and angel is build.
在理论分析的基础上，建立了杆条群速度及角度散布参数预估的工程分析模型。