In this paper, we consider the oscillatory properties of neutral linear variable functional differential equation with piecewise constant delays.

本文研究分段常数变量线性中立型泛函微分方程的振动性。

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According to the fundamental equation of steady current field, the corresponding functional equation is obtained by use of the linear differential operator.

从稳定电流场基本方程出发，通过定义线性微分算子，推导出与之等价的泛函方程。

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According to the fundamental equation of steady current field, the corresponding functional equation is obtained by use of the linear differential operator.

从稳定电流场基本方程出发，通过定义线性微分算子，推导出与之等价的泛函方程。

youdao