Gd-doped HfO2 has drawn worldwide interest for its interesting features.It is considered to be a suitable material for N-type metal-oxide-semiconductor(MOS)devi
【摘要】本文在收集中国知网关于外语微课与翻转课堂研究期刊论文的基础上,采用数据统计与质化内容分析,尝试通过回顾评述其中重要研究阐述外语微课与翻转课堂研究的主要内容,进而指出未来研究的发展趋势。 【关键词】微课 翻转课堂 【Abstract】Based on the papers about micro-class and flipped classroom from the database
Natural light illumination system(NLIS)generates increasing research interest because of the recent trend toward green energy.Various crucial optical components