Research on theory and practice of housing cost and performance ratio 并列题名：Research on theory and practice of housing cost and performance ratio Research on theory and practice of rural revitalization Research on theory and practice of management accounting Research on theory and practice of anti-corruption of international cooperation research on the construction of animation performance system Research on the theory and practice of international private law Research on the theory and practice of community correction Research on the theory and practice of community education Research on the theory and practice of e-business based on C2C