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| | {{NumBlk|:| | | {{NumBlk|:| |
| | <math> | | <math> |
| − | \frac{d\phi}{d\tau}=y, | + | \begin{aligned} |
| − | \frac{dy}{d\tau}=i-\sin\phi-\alpha y | + | \frac{d\phi}{d\tau}&=y,\\ |
| | + | \frac{dy}{d\tau}&=i-\sin\phi-\alpha y |
| | + | \end{aligned} |
| | </math> | | </math> |
| | |{{EquationRef|5}}}} | | |{{EquationRef|5}}}} |