1、电脑打开Premiere软件。
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2、打开Premiere后导入视频文件，导入视频后，点击选中视频。
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3、选中视频后，添加缩放效果。
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4、视频添加缩放效果后，在效果控件中把等比缩放的勾取消掉就可以进行不等比缩放了。
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