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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,效果截图,下载点击全屏播放后，会显示正常效果。正常效果如上图，点击倒计时图标，,倒计时数字会从60变到0结束。时间范围可再此基础上调整，可以加结束时提示音效。上图显示是1分钟倒计时效果图，具体设置如上面最右边图形。可以设置倒计时数字背景色及背景图，如本PPT最后红色背景。,未组装多个文本框,60,59,58,57,56,55,54,51,50,49,48,47,46,44,43,42,41,52,53,36,37,38,39,40,35,34,33,32,45,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,11,10,8,6,4,2,0,12,9,7,5,3,1,60,59,58,57,56,55,54,51,50,49,48,47,46,44,43,42,41,52,53,36,37,38,39,40,35,34,33,32,45,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,11,10,8,6,4,2,0,12,9,7,5,3,1,同上,3,60,59,58,57,56,55,54,51,50,49,48,47,46,44,43,42,41,52,53,36,37,38,39,40,35,34,33,32,45,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,11,10,8,6,4,2,0,12,9,7,5,3,1,60,59,58,57,56,55,54,51,50,49,48,47,46,44,43,42,41,52,53,36,37,38,39,40,35,34,33,32,45,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,11,10,8,6,4,2,0,12,9,7,5,3,1,60,59,58,57,56,55,54,51,50,49,48,47,46,44,43,42,41,52,53,36,37,38,39,40,35,34,33,32,45,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,11,10,8,6,4,2,0,12,9,7,5,3,1,内容总结,效果截图。1,
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