您要查找的是不是：
- The objective of RWA problem is to maximizing the total profit of all lightpaths while satisfying the wavelength capacity constraints on each links. （四）基于以上条件给出了相应的获得没有或有安全约束机组组合可行解的系统方法。
- Some RWA problems are also solved using the proposed algorithm. 并采用该算法计算了路由波长分配问题。
- RWA problems are also NP-hard and are very difficult to solve. 通过大量的例子验证了算法的有效性。
- In this dissertation, the RWA problem is modeled as an integer programming problem, the discrete variables are about the selection of links and wavelength assignment. （三）对于没有安全或有安全约束的机组优化调度问题，不管是否考虑爬升约束机组发电功率重新经济分配的情形，都给出了求解经济分配的相应线性规划模型：凸组合系数方法和功率增量方法，证明了它们与原始非线性经济分配问题的等价性；
- The offline BPA targets to maximize the number of waveband paths under the condition of minimum number of wavelengths,and solves the RWA problem with waveband grooming to reduce cost. 该方法在构造环算法的基础上,将波段优先函数引入路由与波长分配的计算,在路由与波长分配过程中同时解决波段合并问题。
- Finally, a heuristic algorithm about ring network RWA problems is proposed and some different characteristics of planning WDM optical networks respectively by ring and star architecture are compared. 最后，本文还构造了一个解决环网中路由与波长分配问题的启发式算法，利用算法的计算结果研究了用环形和星形两种结构设计WDM光网络时的不同特性。
- I look at this problem from a different viewpoint. 我从不同的观点来看这个问题。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- In dealing with the problem he was cautious to an extreme. 他在处理这个问题时谨慎得过分了。
- The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
- Heavy traffic poses a problem in many old towns. 交通拥挤是许多旧城镇的难题。
- The problem is quite plain to us. 那问题我们都很明白。
- They dealt with the problem in a purposeful way. 他们处理这问题很果断。
- A new problem has been reared up in production. 生产中出现了一个新问题。
- It was Susan who brought the problem to our notice. 是苏珊提醒我们注意那个问题的。
- I think this problem is very simple and clear cut. 我认为这个问题非常简单明白。
- He often came up against the problem of money. 他那时常常碰到钱的问题。
- Overpopulation is a universal problem. 人口过多是全球性的问题。
- The problem is considerably difficult to us. 对我们来说这个问题相当难。
