查询词典 combinatorial optimization problem

There, he and his colleagues devised a scheme to marry photolithography, a technology used in semiconductor fabrication, to combinatorial chemistry.

正是在那，他与他的研究人员一起将用于半导纤维的技术-影像平面印刷技术与组合化学嫁接到了一起。

RNA secondary structure;recursion formula;loops;stacks;combinatorial enumeration

论文导师王天明，论文学位硕士，论文专业计算数学

A simplified activity model for polymer solutions is developed from the thermodynamic relation in this work.The model in- cludes not only a combinatorial term and a residual term but also a free volume one.

根据Gibbs-Helmholtz热力学基本关系式，结合溶液晶格模型推导出适合聚合物体系的活度系数模型，该模型方程含有结合项、剩余项和自由体积项。

This work is a research-level monograph whose goal is to develop a general combination, decomposition, and structure theory for branched coverings of the two-sphere to itself, regarded as the combinatorial and topological objects which arise in the classification of certain holomorphic dynamical systems on the Riemann sphere.

Combinations of Complex Dynamical Systems|复杂的动态系统的结合復雑なダイナミカルシステムの結合这工作那个目标是发展一一般结合，分解，和结构理论分开包括二领域给它自己的一研究水平专题著作，认为是组合和在Riemann 领域上在一定holomorphic动态系统的分类过程中出现的拓扑对象。

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家禽线：鸡鸭鹅笼清洗机、鸡鸭鹅笼输送机、锚链式各类自动输送线、水浴电麻机、鸭鹅用松毛机、汽鼓式浸烫机、喷淋式浸烫机、鸡鸭鹅头脱羽机、A型粗脱羽机、立式粗脱羽机、浸蜡机、冷蜡机、鸡鸭鹅爪脱羽机、自动切爪机、自动脱钩装嚣、螺旋预冷机、白条沥水机、分割输送线、鸡打爪机、剥胗机等。

Poultry Line: Chickencoop washer , Chicken coop conveyor , Anchor chain type auto conveying line , Baths type electric numb machine, Fluffy machine for duck and goose, Air-blowing type Immersion Scalding Device , Percolation type Immersion Scalding Device, Chicken head feather shedder ,"A" type feather shedder , Vertical combinatorial Feather shedder , Wax dip device, Coldpre edwax , Chicken paw feather shedder , Automatic paw cutter, Auto unhooking device, Spiral pre-cooler, Carcass draining machine , Subdividing conveying line, Chicken paw dehuller, Gizzards cutter, etc.

家禽线：鸡鸭鹅笼清洗机、鸡鸭鹅笼输送机、锚链式各类自动输送线、水浴电麻机、鸭鹅用松毛机、汽鼓式浸烫机、喷淋式浸烫机、鸡鸭鹅头脱羽机、A型粗脱羽机、立式粗脱羽机、浸蜡机、冷蜡机、鸡鸭鹅爪脱羽机、自动切爪机、自动脱钩装嚣、螺旋预冷机、白条沥水机、分割输送线、鸡打爪机、剥胗机等。

The author mainly studies the probabilistic representation of a special combinatorial number. Meanwhile, some special values of both kinds of Stirling numbers are obtained. Some new recurrence formulas and identities related to both kinds of Stirling numbers are found.

作者主要研究了一种特殊组合数的概率表示及其应用，得到了Stirling数的一个性质，推导出了其他有关Stirling数的递推公式并且发现了新的递推公式，并利用这些递推公式得到了几个恒等式，从而丰富发展了已有的一些结果。

Methods The operating astral lamp employs specially-designed LED as the main light source, and IC as the control circuit All the components are arranged in a combinatorial structure.

用特定的LED作为手术无影灯的主发光源，用IC作控制电路，各部件采用组合式结构。

By the means of combinatorial matrix, the relation between minimum degree of connected graph and upper bound of spectral radius was carefully depicted.

利用组合矩阵方法，精细地刻画出连通图的最小度与谱半径的上界之间的关系，在一定条件下改进了以前的一个结果。

According to the mapping principle of stereographic projection, the combinatorial relationships of line and plane can be solved by use of mathematic analysis.

摘要根据赤平投影的成图原理，利用数学解析的方法，可直接求解有关线与面的组合关系。

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！