New requirements and challenges present themselves in a cloud learning age,such as learning resources distribution and sharing easily available,convenient systems maintenance and upgrading,cost efficiency,reality-like virtual learning environments,etc.With careful analysis of the needs for online learning platforms for cloud learning,the authors designed an open,flexible and multifunctional learning platform based on an open source operation system.They also carried out profound study and exploration on the system framework,functionality and modules,technical implementation.This study can shed...
