多级索引 meaning in English

multilevel index

Based on object - oriented technology and database technology , a faul t diagnosis system for rotary machines was designed , among which cbr is utilized for a main r easoning method
分析了案例推理的几个重要问题，包括案例的多级索引、用模糊聚类法精化案例库和模糊模式识别的案例相似性匹配。
Proposing the multilevel indexing structure and algorithm that can effectively handle the huge user - profile files , and adopts the model of knapsack problem to solve the problem for providing suitable volume of information to users
提出了可以高效处理大量user - profile文件的多级索引结构及算法，用背包问题模型来解决给用户提供恰当数量信息的问题。
This dissertation presents a multilevel indexing structure and algorithm based on user characteristic . with the algorithm , incoming information need only match with those related user - profile files but all profile files . so user - profile files needed to be process can be greatly reduced which is suitable to the massive information filtering system
论文提出了一种基于用户特征的多级索引结构及算法，使进入信息只需与相关的user - profile文件匹配，而无须与所有的user - profile文件进行比较，从而可以极大地减少需要处理的user - profile文件的数量，适用于大规模信息过滤系统。