The channel assignment problem belongs to the class of NP complete optimization problems, so we propose a new fixed channel assignment approach based on genetic algorithms.
信道分配问题属于组合优化中的NP完备问题，为此在遗传算法的基础上提出了一种新的固定信道分配方法。
SAT problem belongs to the NP class, that is, theoretically it can't be solved in polynomial time and solving it exceeds the capability of modern computer.
SAT问题是NP完全问题，从理论上说，SAT问题不能在多项式时间内解决，它超出了现代计算机的能力。
SAT problem belongs to the NP class, that is, theoretically it can't be solved in polynomial time and solving it exceeds the capability of modern computer.
SAT问题是NP完全问题，从理论上说，SAT问题不能在多项式时间内解决，它超出了现代计算机的能力。
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