latex写ppt提纲逐个显示的设置

不在讲的部分隐形显示

http://tex.stackexchange.com/questions/28654/beamer-table-of-contents-display-all-subsections-below-section

subsection逐个显示设置

http://tex.stackexchange.com/questions/114689/beamer-toc-how-may-i-show-subsections-of-one-section-with-pausesections-option