查询词典 combinatorial optimization problem

Then a common enumeration problem of RNA secondary structure and substructure is studied with the method of combinatorial enumeration.

第二部分：接着介绍了RNA二级结构预测基本原理、表示方法及其子结构的定义，最后应用组合的技巧解决RNA二级结构及子结构计数的一般情形。

The dissertation analyses the methods on large-scale logistics networks design, and then puts forward the method of combinatorial GA which improve the arithmetic based on HEM and GA, and use it to figures out the problem on the large-scale logistics networks design.

提出了运用运输问题方法求解小规模基本物流网络设计的方法，同时弥补了已有研究中无法解决的网点建设费用问题以及忽视了物流费用规模经济问题的缺陷； 6。

In Chapter 4, there are two important structures, loops and stacks for an abstract single-strand RNA. Based on the method of combinatorial enumeration, we make a new discussion about the enumeration problem and get its approximation with the limited length of end loop.

第三部分：RNA二级结构是由一些环和茎组成的结构，在此基础上，本节以端环中自由基数为参量，我们又利用组合技巧解决了一类RNA二级结构的计数并给出了它们的近似值。

In Chapter 3, some information of the RNA secondary structure is introduced in detail, such as denotation of RNA,the cardinal principle, some basic definitions and so on. Then a common enumeration problem of RNA secondary structure and substructure is studied with the method of combinatorial enumeration.

第二部分：接着介绍了RNA二级结构预测基本原理、表示方法及其子结构的定义，最后应用组合的技巧解决RNA二级结构及子结构计数的一般情形。

At present it is very difficult to predict all the RNA secondary structures. This paper describes RNA secondary structure prediction methods from 1970\' to this day in a systematic way some. Tracing back and following the tracks of prediction methods the author made a summary of RNA research progress and situation while a enumeration problem of RNA secondary structure is studied with the method of combinatorial enumeration.

目前所有有关RNA二级结构的预测算法要预测出所有序列的二级结构仍然很困难，本文系统介绍了从上世纪70年代以来发展至今的各类RNA二级结构预测算法，从对RNA结构预测方法的追溯和跟踪，对当今RNA研究的进展和形势做了一个总结，并且应用组合计数的技巧解决了一类RNA二级结构的计数问题。

It can easily be modified for any combinatorial problem for which there is no good specialized algorithm up to now.

对於目前仍没有较好解法的组合优化问题，通过此算法修改很容易解决。

However, the complexity of test case generation problem for combinatorial testing is NP-complete.

但是，组合测试用例集的构造问题的复杂度是NP完全的。

The embedding problem is one of the fundamental and important problems in combinatorial design theory.

设计的嵌入问题是组合设计理论中的一个基本而重要的问题，它不仅是设计递归构造的有力工具，而且本身也是组合设计理论中的重要研究对象。

Finally, the paper applies colony algorithm with immune ability of side consistency restraining in combinatorial problem of water distribution system.

最后，我们将基于边浓度抑制的免疫蚁群算法应用于典型的给水管网的组合优化问题，通过该实例进一步证明，基于免疫机制的蚁群算法比其它传统算法具有更好的解决给水管网优化问题的能力。

In the nature of things, GA and NN are selected to solve combinatorial problem, and to seek some balance between speed and precision.

因此遗传算法和神经网络便理所当然地成了解决组合优化问题并在速度和精度之间寻求平衡的工具。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。