查询词典 combinatorial closure

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。

Continuous power quality,probability and mathematical statistic,fuzzy method,combinatorial weighting method,comprehensive evaluation

中文关键词：连续型电能质量，概率统计，模糊方法，组合赋权法，综合评估

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。

We proposed some combinatorial and separating edge method based on existing algorithm of the multistate complex systems and brought to light the objective rule of the complex from multistate to 2-state, the main working can be summarized as follows

基于多状态复杂系统的结构分析，提出了一些组合算法的拆边方法，揭示了多状态复杂系统在转化为2—状态复杂系统过程中对应的客观规律，主要工作包括

Avilamycin quality have what kind of quality , the existing returns will help to alter or decorate it's molecule by the Combinatorial biosynthesis method , and produce new ramification of Avilamycin .

阿维拉霉菌是一种什么性质的抗生素，现有的研究成果将有助于采用组合生物合成方法进行阿维拉霉素的分子改造与修饰，从而产生新的阿维拉霉素衍生物。

It is generally used in combinatorial optimization problem.The TS method performs a "guided search" which enables it to escape from local optima.

TS算法属于现代优化算法，是局部领域搜索法的推广，常用于求解组合优化问题。

Taking a regional logistics industry as an instance,from the view of quantitative and qualitative character,the weights of related indicators are computed by combinatorial evaluation method .

基于物流产业的涵义和特点提出了产业竞争力的概念，根据物流产业的现状，提出了物流产业竞争力评价的多层指标体系，列举了主要的评价方法和具体步骤；针对具体的实例，从定性和定量两个角度，运用组合评价法确定了相关指标的权重，借助多层模糊评价法对一级指标进行了评价分析，有助于区域物流产业核心竞争力的确定。

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。

By using combinatorial evaluation method to compare and analyze the efficiency of 18 railway transport enterprises,first of all,the paper builds a comprehensive index system,and then uses DEA,AINM,TOPSIS and ECM to evaluate the efficiency of enterprises.

本文首先建立了一套相对完善的铁路运输企业效率评价指标体系，并根据各种评价方法有针对性地调整具体指标体系。然后以数据包络分析、综合指数法、TOPSIS法和功效系数法四种评价方法分别评价各铁路局的运营效率并排序。

This matter overthrew all basises I learned from Sunday school .

这件事把我从周日学校学到的所有道理都颠覆了。

It's one of the cruel ironies of aging: if you want to remember your favorite restaurants, the less you should eat at them.

这是一个老化的残酷讽刺：如果你想记住你最喜欢的餐馆，你应该更少吃到它们。