TV teaching material making is a very powerful subject in the experimental teaching.

电视教材制作是一门实验教学性很强的学科。

youdao

Welcome to Sichuan Radio And TV University Teaching Material Office!

欢迎光临四川广播电视大学教材处！

youdao

Welcome to Sichuan Radio And TV University Teaching Material Office!

欢迎光临四川广播电视大学教材处！

youdao