Artificial neural network is one of artificial system, which simulates structural and functional characteristics of biological neural network resorted to engineering technological means.

而神经网络则是用工程技术手段模拟生物神经网络的结构特征和功能特征的一类人工系统。

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Biological metabolic network is a system with high nonlinear characteristic. How to optimize it properly is a difficulty in the field of metabolic engineering.

生物代谢网络是一个具有高度非线性的复杂系统，如何对其进行适当的优化，一直是代谢工程领域的研究热点。

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