黃武元李嘉瑾蕭淳豐2014-10-272014-10-272001-06-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/22566非同步學習學習落差遠距教育合作學習Asynchronous learningLearning dropDistance learningCollaboration learning傳統教室的學習落差之解決策略-非同步學習系統The Strategy to Reduce the Learning Drop in the Traditional Classroom-asynchronous Learning System