人们常把教师的课堂板书称为“微型教案”，是因为它对教材内容具有高度的浓缩作用，它往往充分利用简洁的词语、分明的线条和醒目的图形符号，来展示丰富的教材内容，展示优美的直观形象，因此一幅优美的板书设计就是教师巧妙构思匠心独运的结晶。板书的形式多种多样，下面就? People often call the teacher’s class board a “minor lesson plan” because it has a highly concentrated effect on the content of the teaching material. It often makes full use of concise words, clear lines, and striking graphic symbols to display the rich teaching materials. The beautiful and intuitive image is displayed, so a beautiful board design is the crystallization of the ingenious craftsmanship of teachers. There are various forms of board writing.