The coefficient functions of the hyperbolic equations considered are assumed to be piecewise constant.

我们假设在所考虑的微分方程中，系数函数为片段常函数。

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The coefficient functions of the hyperbolic equations considered are assumed to be piecewise constant.

我们假设在所考虑的微分方程中，系数函数为片段常函数。

youdao