RNR智能教育端 app for iPhone and iPad 4.8 ( 4128 ratings ) Education Developer: 汉银 柏 Free Current version: 1.3.0, last update: 9 months ago First release : 08 Oct 2022 App size: 58.27 Mb RNR系统是风险(Risk)、需求(Need)、响应(React)三个智能模块互联的统称。