查询词典 selection function

The problems often met in LOPC such as the selection of weighting matrix, stochastic objective function and determination of initial state variables are also systematically studied.

最后本文对线性二次最优与次最优控制设计中的权矩阵选择，随机型性能指标，和状态变量初始值确定等问题给出了自己的解决办法。

On the aspect of urban spatial distribution DM: Adopting the conception model of combination of location and attribute, the author brings spatial coordinates, spatial relationship and attribute character into the unitive model of spatial computation, studies city's land suitableness evaluation and the method of spatial clustering in division of urban function districts and brings forward the arithmetic of classification layer. Aiming at land spatial optimization allocation, the author puts forward SGA. In this arithmetic selection, crossover and mutation operator are progressed on the space.

在城市空间分布数据挖掘方面：采用空间—属性一体化概念模型，把空间坐标、空间关系和属性特征纳入到统一的空间计算模型，分别对城市土地适宜性评价和城市功能区划分中的空间聚类方法进行了研究，并提出了一种分类图层的平滑算法；针对城市土地的空间优化配置，提出了一种空间遗传算法，该算法中的选择、交叉、变异算子都是在空间上进行的；对多要素离散空间场之间的相关性测度，定义了一种基于信息熵的规范的相关指数，并给出了计算方法。

Toolholder selection is governed by tool design and intended function.

刀具把的选择取决于刀具设计和需要的功能。

From the view point of function, landscape and safety, the author analyses several problems needed to be taken seriously in design of outdoor lighting for residential area, such as lighting of main trunk road, selection and arrangement of garden lighting luminaire, mode of power supply control and safety of electric apparatus.

从功能、造景和安全的角度出发，分析住宅区室外照明设计中有关主干道路照明、庭园照明等灯具的选择与布置，供电控制的方式、电气的安全等。

By giving examples such as public-listed companies unwillingness or untruthfulness to carry out their information releasing obligations, inappropriate behavior of market agency, disfigurement existing in the process of lawmaking and executing laws, the paper has taken advantage of the well-known principles of economics to analyze the presentproblems plaguing our security market in our country, the results shows that there exists a great deal of incomplete information and asymmetric information at the security market, which can lead to moral hazard problem and adverse selection ,and both are the main causes that hinder the normal function of information disclosure mechanism, affect the market efficiency and allocation of financial resources. In addition, institutional objection at the security market is a crucial factor in arising the-above-said problems.

文章通过举例深入分析了当前我国证券市场存在的诸多问题，如上市公司不主动与非真实履行披露义务、中介机构行为失当、立法执法存在缺陷等，运用经济学一般原理剖析引起问题的深层次原因，指出证券市场存在大量不对称信息，容易导致市场道德风险和逆向选择，是阻碍信息披露机制发挥正常作用、影响市场效率的提升和资源的配置的主要根源；另外，我国证券市场存在的制度性缺陷也是引起上述问题的重要缘由。

Based on the constrained variation principle, the penalty function suited to electromagnetic field calculation is proposed in this dissertation. Detailed research is conducted on some problems, such as the selection of penalisation parameters, the effect of penalisation parameters to the CPU time and the accuracy of solutions.

本文基于变分原理构造了适合电磁场数值计算的罚函数，得到了系统的控制方程，并对罚因子的选取原则及罚因子对计算精度和计算时间的影响进行了深入研究。

The approximation of meshless methods, the selection of weight function, the variational form and the discrete equation, and the numerical implementation are described.

描述了无网格法的近似方案、权函数的选择、变分形式和离散方程以及数值求解的实现。

This text aim is passing the analysis to the selection of Voluntarism, pragmatism, existentialism, getting the relation between PE, and the function and the influence to PE's development.

本文旨在通过对选取的唯意志主义、实用主义、存在主义三种人本主义哲学流派的观点的分析，得出它们与体育之间的关系，以及它们对我国体育思想发展所起到的作用和影响。

An improved real-code genetic algorithm is designed with different cross, selection and variation operators, aiming at overcoming its inherent shortcomings of premature, dead state convergence and weak mountain climbing during function optimization.

针对实数编码在进行数值优化时固有的过早收敛、停滞现象和弱的爬山能力等缺点，通过设计不同的交叉、变异算子，提出了一种改进的实数编码遗传算法。

The others are Mucuna sempervirens,Parthenocissus trcuspidata,Wistaria sinensis Sweet in turn.According to the distinction of ecological functional of these four plants,the kind of plants which should be chosen under various ecological environment conditions or for different demands of ecological function of the plants were given.1. The most suitable plants for the area which get serious pollution such as factory,roadway and so on is Mucuna sempervirens.the other plant which more suitable is Rosa banksiae Ait.2. The most suitable plants for the hospital and the area for the children and the old is Mucuna sempervirens. And we can also select Parthenocissus trcuspidata.3. In the green area of modern enterprise that produce precision instrument,Rosa banksiae Ait is the best selection.4. Rosa banksiae Ait is the most suitable plants in resident green area. Planting Mixed with Mucuna sempervirens has better effectiveness.

以四种植物的生态功能性差异评价为依据，提出不同生态环境条件下和对植物不同的生态功能性要求的垂直绿化应选择的植物： 1 在道路、工厂等污染较严重的地区搞垂直绿化，最合适的植物是油麻藤，其次可选择木香； 2 医院及儿童、老人活动区的垂直绿化首选是油麻藤，其次是爬山虎； 3 生产精密仪器的现代企业绿地，垂直绿化植物选择以木香为首选，可结合大面积的爬山虎墙面绿化； 4 居住区绿地的垂直绿化植物选择以木香最符合要求，再以油麻藤进行混植，效果较好。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。