Time Limit for a Project Forecast and Research Based on Nerve Network

The time limit for a project forecast question is the project progress risk main content, the fit and unfit quality of Forecasts technical and the result quality directly Influence the entire project construction progress. This article applies the technology of The function approaches which based on the impact of the project on the comprehensive analysis of various factors，has constructed the progress risk BP network forecast model, and according to the example computation, has carried on the confirmation to this model.