公式 2

\begin{array}{l} {(\frac{e_{x}}{b_{x}})}^{2} {(\frac{e_{y}}{b_{y}})}^{2} \leq \frac{1}{9} = 0, 111 \\ {(\frac{0, 597 m}{1, 80 m})}^{2} {(\frac{0 m}{1, 00 m})}^{2} = 0, 110 \leq \frac{1}{9} = 0, 111 \end{array}

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