problem: n.1.问题，课题；疑难问题；令人困惑的情况。2.【数、物】习题；作图题。3.(象棋的)布局问题。短语和例子the problem of unemployment 失业问题。 His whole conduct is a problem to me. 他的一切行为我都不理解。adj.1.成问题的；难处理的。2.关于社会问题的。短语和例子a problem child 【心理
Time - table problem is a np - complete problem 排课表问题是np -完全问题。
2.
Algorithm of closed circle dna computing model for time - table problem 排课表问题的闭环dna计算模型的算法
3.
Algorithm of dna computing for time - table problem was obtained with introducing manifold biochemical experiments on closed circle dna computing model 基于闭环dna计算模型引入多种生化实验得出求解排课表问题的dna算法。
