partial differential inequality
... partial differential field 偏微分场 partial differential inequality 偏微分不等式 partial differential operator 偏微分算子 ...
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By establishing a functional differential inequality, some sufficient conditions are obtained for the oscillation of solutions of certain partial functional differential equations.
通过建立泛函微分不等式，研究了一类高阶中立型偏泛函微分方程解的振动性。
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