Analysis of financial industry opimization in support of key regional economic development 封面英文题名：Analysis of financial industry opimization in support of key regional economic development。 Study of financial industry aggregation and its impact on regional economic growth 并列题名：Study of financial industry aggregation and its impact on regional economic growth Research on industrial design industry and regional economic development 并列题名：Research on industrial design industry and regional economic development Financial system and financial environment in regional economic development Impacts of urban rail transit on regional economic development Industrial agglomeration and the regional economic development Study on China s trade openness and inequality of regional economic development