Research on archival information service mode under the background of smart city 并列题名：Research on archival information service mode under the background of smart city Research on platform strategy under the background of internet Research on user information interaction and service under the background of digital intelligence Research on the promotion of regional spread power under the background of internet Research on college English teaching under the background of reform Research on rural community governance under the background of new urbanization Research on didactic localization in China under the background of globalization Research on international Chinese education under the background of belt and road 并列题名：Research on user information interaction and service under the background of digital intelligence