This was the public transportation inquiry system software engineering design documents, including the demand analysis, the outline design, the contact surface design and so on a series of designs documents, made the comprehensive analysis to the public transportation systems engineering to -This was the public transportation inquir y system software engineering design document s, including the demand analysis, the outline design, the contact surface design and so on a series of d esigns documents, made the comprehensive analysis to the public not ransportation to systems engineering