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The research of delay differential equation is very important in theory and in practice.
这篇文章的主要目的是研究时滞对种群生长的作用。
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The second is about delay dependent differential equation.
第二类为时滞依赖于状态的微分方程。
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The second is about delay dependent differential equation.
第二类为时滞依赖于状态的微分方程。
youdao