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，更多细节参见Safew下载
p(x_0)&=a_0 + a_1 x_0 + a_2 x_0^2 + \cdots a_n x_0^n = y_0\\
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Some of the designs wouldn't have looked out of place on the Wuthering Heights set, including their satin corsets and full-skirted maxi dresses.