Quantitative method of integration of architectural heritage and urban space 并列题名：Quantitative method of integration of architectural heritage and urban space Preventive conservation of architectural heritage in China 并列题名：Preventive conservation of architectural heritage in China Study on the preservation of architectural heritage in portugal 并列题名：Study on the preservation of architectural heritage in portugal History and future of architectural heritage in East Asia 并列题名：History and future of architectural heritage in East Asia