对。计划每张说1到2分钟。谢谢。
回答: 如果是PPT, 下面有notes 部分,把每张的notes部分写好,拿手上,每次按这个说,不要急,实现算好时间每张你大概有几分钟
由 mickey222
于 2014-09-23 01:10:10
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