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2ͻ ɝqҪ
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4W(xu)úԷ̖ӛҪc(din)
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E[ģ(x)һ10ܺܿ옋(gu)ɱһӛPӛkݏȷϼ^¶F(xin)_չ¼^¶F(xin)I(y)»߀ຆ(j)˵(x)ℓ(chung)һЩ̖
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6ǰKա
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E[ȷԇǶ̶45e^fʲôҲ ʹõČW(xu)(x)C(j)(x)ģ}rҪo˶һKաԇ߀ЎͱȻҪ߀Ў犾ͱȻҪ
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