MOLDA (Multi dimensional on Line Data analysis) is an OLAP system model, designed and developed by the author for the development of several business analysis projects.

Aiming at a system with multi-dimensional output, the construction method of a tree - structure neural network is adopted, and its physical meaning is explained.

After a lot of survey and careful design work, a one-dimensional test system with multi-function such as air stage and fuel reburning is built up.