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-8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 PowerPoint Presentation
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-8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8

-8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8

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-8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8

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  1. x -8 -7-6-5-4-3-2-11 2 3 4 5 6 7 8 高尔顿钉板试验 O