Then, some qualitative and quantitative analyses are made on some elements and sub-systems that influence on the quality of MDE.

其次，对影响现代远程教育质量的要素及子系统进行了定性、定量的研究。

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Then, some qualitative and quantitative analyses are made on some elements and sub-systems that influence on the quality of MDE.

其次，对影响现代远程教育质量的要素及子系统进行了定性、定量的研究。

youdao