This product is meant for educational purposes only. 這種產(chǎn)品僅針對教育目的。
The necessity of its realization comes from the reality of the feebleness of the educational function because of the separation of the three aims. 這種目的實(shí)現的必要性，源于中國教育目的分離而使教育功能弱化的現實(shí)。
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
