powerpoint 演示文稿 · 2020-04-20 · title: powerpoint 演示文稿 author: 优品ppt...
TRANSCRIPT
PresentationFeatured
• PowerPoint
• Keynote
• Prezi
,
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Outline format
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organization and transition
logical flow
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•out
line
text
sparingly
floor test
wep
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pointer
9 6 6 - 5 6 8 3 4 8 9 7 3