This is a complicated optimization problem.

这是一个复杂的优化设计问题。

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The parameter optimization of crop growth models is a multi-dimension, nonlinear and complicated optimization problem.

作物生长模型的优化是高维、非线性的复杂优化问题。

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Ant Colony algorithm is a novel simulated evolvement algorithm solving complicated combinatorial optimization problem and its typical feature is swarm intelligence.

蚁群算法是一种新颖的求解复杂组合优化问题的模拟进化算法，它具有典型的群体智能的特性。

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