In this paper, the basic concepts in on-line EOD(Education On Demand) are defined,and on-line EOD is divided into several function sub-modules.是什么意思_In this paper, the basic concepts in on-line EOD(Education On Demand) are defined,and on-line EOD is divided into several function sub-modules.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句