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我想把一段音乐加在POWERPOINT上做PRESENTATION,有哪位大侠知道如何在电脑里把一段音乐剪短点,我的音乐有2分钟,可是我只需要30秒。多谢了

telephone (telephone)
(#234639@0)
2001-10-23 -04:00
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Back To Topic: 我想把一段音乐加在POWERPOINT上做PRESENTATION,有哪位大侠知道如何在电脑里把一段音乐剪短点,我的音乐有2分钟,可是我只需要30秒。多谢了

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