公式 34

\begin{array}{l} ϕ = 0.5 \cdot (1.0 α_{e} \cdot ({\bar{λ}}_{c} - 0.2) {\bar{λ}}_{c}^{2}) = 0.5 \cdot (1.0 0.636 \cdot (0.443 - 0.2) 0 . 443^{2}) = 0.675 \\ χ_{c} = \frac{1}{ϕ \sqrt{ϕ^{2} - {\bar{λ}}_{c}^{2}}} = \frac{1}{0.675 \sqrt{0 . 675^{2} - 0 . 443^{2}}} = 0.844 < 1 \end{array}

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