教学 duo mei ti ji shu zai jiao xue ying yong qi kan
技术 ji suan ji ke xue ji shu yu ying yong qi kan
电子技术 qi kan dian zi ji shu ying yong shi xue shi me
上海 应用技术 标准 shang hai ying yong ji shu da xue qi kan biao zhun
科学技术 tai he zi ke xue ji shu he ying yong qi kan