instroduction中文什么意思

例句与用法

1. To giving some reference , this paper discusses the design of the instroduction , stirring up doubts , multimedia teaching and the content disposal about the emphacs and difficulty of the lessen of the base principle and structure of the dc motor
   摘要围绕直流电机的基本工作原理与结构这节课的重点和难点，结合教学实践，从导语设计、激疑教学、多媒体教学、教材内容处理等4个方面对其教学方法进行了讨论，以期对教学同行提供借鉴。