The knowledge base is designed as a multidimensionaltree. The diagnosis data are collected through testing and reasoning the objects. Fault positioning is realized by using characteristic vectors.
知识库设计为多元故障树，诊断数据来源于对被诊断对象的测试与知识推理，依据特征向量实现故障定位。
2
In these cases, a multidimensional hierarchy, where each element is part of more than one tree, is useful.
在这些情况下，多维层次结构是非常有用的，其中每个元素是多棵树的一部分。
3
How to return a multidimensional array keys as a tree?