study on innovation of grassroots social governance in China the innovation of grassroots social governance in Ningbo 流动公共服务：中国基层社会治理创新研究：study on innovation of grassroots social governance in China Research on the grassroots social governance in China 并列题名：Research on the grassroots social governance in China Study on innovating social governance in urban China a study of urban grassroots social governance in the new era 走向协同治理：基层社会治理创新的宁波探索：the innovation of grassroots social governance in Ningbo Modernization of social governance in China 并列题名：Modernization of social governance in China