${\mathrm{我gydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}^{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}＝gydF4y2Ba\mathrm{0gydF4y2Ba}，gydF4y2Ba$

${\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}^{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}＝gydF4y2Ba\frac{\mathrm{2gydF4y2Ba}{\mathrm{TgydF4y2Ba}}_{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}}{\mathrm{3.gydF4y2Ba}\mathrm{pgydF4y2Ba}{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}}，gydF4y2Ba$

${\mathrm{我gydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}^{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}＝gydF4y2Ba\text{fgydF4y2Ba}（gydF4y2Ba{\mathrm{ngydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}，gydF4y2Ba{\mathrm{TgydF4y2Ba}}_{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}，gydF4y2Ba{\mathrm{vgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}\mathrm{cgydF4y2Ba}}）gydF4y2Ba，gydF4y2Ba$

${\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}^{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}＝gydF4y2Ba\text{ggydF4y2Ba}（gydF4y2Ba{\mathrm{ngydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}，gydF4y2Ba{\mathrm{TgydF4y2Ba}}_{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}，gydF4y2Ba{\mathrm{vgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}\mathrm{cgydF4y2Ba}}）gydF4y2Ba，gydF4y2Ba$

$\mathrm{米gydF4y2Ba}＝gydF4y2Ba\frac{{\mathrm{VgydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}}{\mathrm{kgydF4y2Ba}{\mathrm{VgydF4y2Ba}}_{\mathrm{pgydF4y2Ba}\mathrm{hgydF4y2Ba}＿gydF4y2Ba\mathrm{米gydF4y2Ba}\mathrm{一个gydF4y2Ba}\mathrm{xgydF4y2Ba}}}，gydF4y2Ba$

${\mathrm{我gydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}＝gydF4y2Ba-gydF4y2Ba{\mathrm{我gydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}\text{罪gydF4y2Ba}\mathrm{\beta gydF4y2Ba}，gydF4y2Ba$

${\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}＝gydF4y2Ba{\mathrm{我gydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}\text{因为gydF4y2Ba}\mathrm{\beta gydF4y2Ba}，gydF4y2Ba$

${\mathrm{TgydF4y2Ba}}_{\mathrm{egydF4y2Ba}}＝gydF4y2Ba\frac{\mathrm{3.gydF4y2Ba}\mathrm{pgydF4y2Ba}}{\mathrm{2gydF4y2Ba}}{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}\text{因为gydF4y2Ba}\mathrm{\beta gydF4y2Ba}+gydF4y2Ba\frac{\mathrm{3.gydF4y2Ba}\mathrm{pgydF4y2Ba}}{\mathrm{4gydF4y2Ba}}（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}-gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}）gydF4y2Ba{\mathrm{我gydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}{}^{\mathrm{2gydF4y2Ba}}\text{罪gydF4y2Ba}\mathrm{2gydF4y2Ba}\mathrm{\beta gydF4y2Ba}，gydF4y2Ba$

$-gydF4y2Ba\frac{\mathrm{3.gydF4y2Ba}\mathrm{pgydF4y2Ba}}{\mathrm{2gydF4y2Ba}}{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}\text{罪gydF4y2Ba}\mathrm{\beta gydF4y2Ba}+gydF4y2Ba\frac{\mathrm{3.gydF4y2Ba}\mathrm{pgydF4y2Ba}}{\mathrm{2gydF4y2Ba}}（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}-gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}）gydF4y2Ba{\mathrm{我gydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}（gydF4y2Ba{\mathrm{因为gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}\mathrm{\beta gydF4y2Ba}-gydF4y2Ba{\mathrm{罪gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}\mathrm{\beta gydF4y2Ba}）gydF4y2Ba＝gydF4y2Ba\mathrm{0.gydF4y2Ba}$

${\mathrm{我gydF4y2Ba}}_{\mathrm{dgydF4y2Ba}＿gydF4y2Ba\mathrm{米gydF4y2Ba}\mathrm{tgydF4y2Ba}\mathrm{pgydF4y2Ba}\mathrm{一个gydF4y2Ba}}＝gydF4y2Ba\frac{{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}}{\mathrm{2gydF4y2Ba}（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}-gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}）gydF4y2Ba}-gydF4y2Ba\sqrt{\frac{{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}}{\mathrm{4gydF4y2Ba}{（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}-gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}）gydF4y2Ba}^{\mathrm{2gydF4y2Ba}}}+gydF4y2Ba{\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}＿gydF4y2Ba\mathrm{米gydF4y2Ba}\mathrm{tgydF4y2Ba}\mathrm{pgydF4y2Ba}\mathrm{一个gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}}．gydF4y2Ba$

$\mathrm{9gydF4y2Ba}{\mathrm{pgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}-gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}）gydF4y2Ba}^{\mathrm{2gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}＿gydF4y2Ba\mathrm{米gydF4y2Ba}\mathrm{tgydF4y2Ba}\mathrm{pgydF4y2Ba}\mathrm{一个gydF4y2Ba}}^{\mathrm{4gydF4y2Ba}}+gydF4y2Ba\mathrm{6gydF4y2Ba}{\mathrm{TgydF4y2Ba}}_{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}\mathrm{pgydF4y2Ba}{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}＿gydF4y2Ba\mathrm{米gydF4y2Ba}\mathrm{tgydF4y2Ba}\mathrm{pgydF4y2Ba}\mathrm{一个gydF4y2Ba}}-gydF4y2Ba\mathrm{4gydF4y2Ba}{\mathrm{TgydF4y2Ba}}_{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}＝gydF4y2Ba\mathrm{0.gydF4y2Ba}$

${\mathrm{VgydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}＝gydF4y2Ba\sqrt{{\mathrm{vgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}+gydF4y2Ba{\mathrm{vgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}}\le gydF4y2Ba{\mathrm{VgydF4y2Ba}}_{\mathrm{pgydF4y2Ba}\mathrm{hgydF4y2Ba}＿gydF4y2Ba\mathrm{米gydF4y2Ba}\mathrm{一个gydF4y2Ba}\mathrm{xgydF4y2Ba}}，gydF4y2Ba$

${\mathrm{vgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}＝gydF4y2Ba{\mathrm{RgydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}-gydF4y2Ba{\mathrm{\omega gydF4y2Ba}}_{\mathrm{egydF4y2Ba}}{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}，gydF4y2Ba$

${\mathrm{vgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}＝gydF4y2Ba{\mathrm{RgydF4y2Ba}}_{\mathrm{年代gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}+gydF4y2Ba{\mathrm{\omega gydF4y2Ba}}_{\mathrm{egydF4y2Ba}}（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}+gydF4y2Ba{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}）gydF4y2Ba．gydF4y2Ba$

${\mathrm{我gydF4y2Ba}}_{\mathrm{dgydF4y2Ba}＿gydF4y2Ba\mathrm{fgydF4y2Ba}\mathrm{wgydF4y2Ba}}＝gydF4y2Ba-gydF4y2Ba\frac{{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}}{{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}}+gydF4y2Ba\frac{\mathrm{1gydF4y2Ba}}{{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}}\sqrt{\frac{{\mathrm{VgydF4y2Ba}}_{\mathrm{pgydF4y2Ba}\mathrm{hgydF4y2Ba}＿gydF4y2Ba\mathrm{米gydF4y2Ba}\mathrm{一个gydF4y2Ba}\mathrm{xgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}}{{\mathrm{\omega gydF4y2Ba}}_{\mathrm{egydF4y2Ba}}{}^{\mathrm{2gydF4y2Ba}}}-gydF4y2Ba{（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}＿gydF4y2Ba\mathrm{fgydF4y2Ba}\mathrm{wgydF4y2Ba}}）gydF4y2Ba}^{\mathrm{2gydF4y2Ba}}}，gydF4y2Ba$

$\mathrm{9gydF4y2Ba}{\mathrm{pgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}-gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}）gydF4y2Ba}^{\mathrm{2gydF4y2Ba}}{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{\mathrm{\omega gydF4y2Ba}}_{\mathrm{egydF4y2Ba}}{}^{\mathrm{2gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}＿gydF4y2Ba\mathrm{fgydF4y2Ba}\mathrm{wgydF4y2Ba}}^{\mathrm{4gydF4y2Ba}}+gydF4y2Ba（gydF4y2Ba\mathrm{9gydF4y2Ba}{\mathrm{pgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{\mathrm{\omega gydF4y2Ba}}_{\mathrm{egydF4y2Ba}}{}^{\mathrm{2gydF4y2Ba}}-gydF4y2Ba\mathrm{9gydF4y2Ba}{\mathrm{pgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{（gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}-gydF4y2Ba{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}）gydF4y2Ba}^{\mathrm{2gydF4y2Ba}}{\mathrm{VgydF4y2Ba}}_{\mathrm{pgydF4y2Ba}\mathrm{hgydF4y2Ba}＿gydF4y2Ba\mathrm{米gydF4y2Ba}\mathrm{一个gydF4y2Ba}\mathrm{xgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}）gydF4y2Ba{\mathrm{我gydF4y2Ba}}_{\mathrm{问gydF4y2Ba}＿gydF4y2Ba\mathrm{fgydF4y2Ba}\mathrm{wgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}-gydF4y2Ba\mathrm{12gydF4y2Ba}{\mathrm{TgydF4y2Ba}}_{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}\mathrm{pgydF4y2Ba}{\mathrm{\psi gydF4y2Ba}}_{\mathrm{米gydF4y2Ba}}{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}{\mathrm{lgydF4y2Ba}}_{\mathrm{问gydF4y2Ba}}{\mathrm{\omega gydF4y2Ba}}_{\mathrm{egydF4y2Ba}}{}^{\mathrm{2gydF4y2Ba}}{\mathrm{我gydF4y2Ba}}_{{\mathrm{问gydF4y2Ba}}_{\mathrm{fgydF4y2Ba}\mathrm{wgydF4y2Ba}}}+gydF4y2Ba\mathrm{4gydF4y2Ba}{\mathrm{TgydF4y2Ba}}_{\mathrm{rgydF4y2Ba}\mathrm{egydF4y2Ba}\mathrm{fgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{\mathrm{lgydF4y2Ba}}_{\mathrm{dgydF4y2Ba}}^{\mathrm{2gydF4y2Ba}}{\mathrm{\omega gydF4y2Ba}}_{\mathrm{egydF4y2Ba}}{}^{\mathrm{2gydF4y2Ba}}＝gydF4y2Ba\mathrm{0gydF4y2Ba}$