查询词典 constraints

As to the topology structure of the network with constraints, a new tree encoding for Genetic Algorithms was developed to represent a tree solution containing the information of degree and connectivity on for its corresongding genetic operators, which could be used to solve the minimum spanning tree problem with degree constraint, capacity constraint, and leaf constraint.

本项目主要研究了带约束网络拓扑结构的设计与优化；供应链网络拓扑结构的设计与优化；移动信息网络位置管理的策略与优化。

This paper presents a new method of sparse matrix decompose which is based on the concept of matched degree, this method can make the process much simple and can be used in the decomposition of the construct matrix with multiple-freedom variables and constraints.

本文提出了基于匹配度计算的约束分解方法，采用这种方法，可以使约束分解的过程变得很简单，并可用于多自由度和多约束度变量的结构矩阵的分解。

The side collection type specifiers define the constraints of the two map views of the bimap.

单 侧组合类型指示符定义了对 bimap 的两个映射视图的约束。

Secondly, from the fact of investor decision, the author gives a portfolio model with spectral risk measure constraints, and takes an example to check the efficiency of this model.

其次，从投资者投资决策实际问题出发，建立了基于谱风险约束的投资组合优化模型，通过实例分析，验证了该模型控制风险的有效性。

In terms of the ground disturbance power spectral density, the H2 norm is used to describe the requirement for ride comfort and the generalized H2 norm is adapted to capture time-domain constraints such as good road holding.

根据路面干扰谱特征，选用H2范数作为乘坐舒适性的指标，广义H2范数描述轮胎接地性等时域约束要求。

The packet error rate and channel estimation are used to compute the adaptive threshold in order to maximize spectral efficiency under given delay and error performance constraints.

该技术结合了传统物理层自适应调制和链路层自动请求重发，利用链路层的误包率和信道估计参数计算自适应调制门限，在系统给定时延和误包率约束的基础上最大程度地提高了频谱利用率。

As a result of such as business card printing and membership card making head of speed or velocity, fine droplets of spray in mechanical and physical constraints, digital business card printing and membership card making succeesful at certain times or will soon reach the limit

由于诸如制卡和会员卡制作头的转换速度或墨滴的喷射速度等在机械和物理学方面的限制，数码制卡和会员卡制作技术终究在某些时候或很快就会达到极限

However, the characteristics that the multiple constraints and sequences in the auto-body assembly make the error stack-up very complex and it is difficult to search dimension-loop by utilizing the traditional dimension loop model in the 3-D variation analysis and synthesis in auto-body. Meanwhile, for the auto-body composed by great mounts of parts, the traditional Monte Carlo Simulation is time-consuming.

然而，车身装配过程中零件间的多约束特征和多装配顺序影响，使得车身装配偏差累积规律十分复杂，传统尺寸链分析方法需要建立尺寸链方程，难以适应车身三维偏差分析；同时，传统的蒙特卡洛求解方法计算效率低下，难以应用于这种复杂车身产品的公差综合。

At the end of the day, the goal of an efficient caching system to maximize your cache hit ratio within your storage constraints, your requirements for availability, and your tolerance for staleness.

说到底，要在存储约束、对可用性的需求、对陈旧数据的容忍程度等条件下最大化缓存的命中率，这才是一个高效的缓存系统的最终目标。

The modified particle swarm optimization is utilized to solve the proposed reactive power optimization model; and combining with non–stationary multi-stage assignment penalty function, the reactive power optimization problem is transferred into a problem to solve extreme-value without constraints, thus the calculation accuracy and global convergence ability of MPSO are effectively improved, and power grid company can achieve maximal economic benefit by means of the proposed algorithm.

应用改进粒子群优化算法求解该无功优化模型，并结合动态调整罚函数法将无功优化问题转化成无约束求极值问题，从而有效地提高了改进粒子群优化算法的全局收敛能力和计算精度，使电网公司取得了最大经济效益。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。