And the importance of reliability prediction for missile in the conceptual phase is explained.

On ways to have better project costs control in pre-feasibility study period

Index system and criterion of warship equipment conceptual design during development phase;

Research and realization of product quality integrated system in development phase;

Evaluation model of materiel support plan in development phase based on DEA

This thesis, based on a real project, Dongyang-Yongkang expressway, demonstrates the contents that need careful consideration in route scheme study at feasibility study stage, including the determination of the so-called corridor region, technical criterion, selection of the two ends of the roads, and comparative analysis of the route scheme.