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问个简单的数学统计术语mean centered |
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重返寄托
三十而立 战战兢兢 如临深渊 如履薄冰 |
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重返寄托
三十而立 战战兢兢 如临深渊 如履薄冰 |
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重返寄托
三十而立 战战兢兢 如临深渊 如履薄冰 |
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=================================[更新]加拿大版超级入口 ======================================
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There is nothing lost
That may be found If sought |
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发表于 2006-4-25 10:51:42


发表于 2006-4-25 12:24:11

发表于 2006-4-25 13:19:37
发表于 2006-4-27 06:55:35