查询词典 mathematical

In the case of the location selection problem, mathematical programming has usually been untilized to determine the optimal location of facilities

在选址问题的情况下，数学规划通常也被untilized确定设施的最佳位置

This paper proposed a mathematical model of factor analysis, and analysis of some of his properties.

翻译一个东西：本文第一提出因子分析的数学模型，并且分析了他的一些性质。

Effects of the factors on the yield of CLA have been studied and the mathematical models have been established by using the 23 factorial experiment.

考察了反应温度、反应时间、溶剂用量、催化剂用量等因素对CLA产率的影响。

They were famed for their advanced mathematical knowledge and incredible understanding of the solar system.

他们因此掌握了先进的数学知识以及对太阳系的不可思议的了解而闻名于世。

In order to transfer the experimental JR curves from laboratory to real cracked components, a mathematical expression representing a family of the JR curves was constructed for steel 18G2A by using the test data of JR curves for the SENB specimens.

同时，为了将实验得到的18G2A钢的JR曲线应用于实际裂纹构件，建立了JR曲线与约束参数A2之间的关系，给出了与约束参数A2相关的JR曲线族的表达式。

An explicit mathematical representation of the exact boundary of a ball Bézier surface was given by recurring to the envelope theory of the family of bivariate surfaces in the classic differential geometry, as well as the spherical coordinates and the Cramer's rule.

根据经典微分几何中双参数曲面族的包络原理，运用球面参数坐标和Cramer法则，给出了球域Bézier曲面边界的精确数学显式表达式。

Mathematical information, Fan letter analysis, to study various aspects of help, is the basis of composition.

详细说明：数学资料，范函分析，对各方面的研究都有帮助，是编成的基础。

To build a model of this kind, a nonstationary random process mathematical model is set up through fast Fourier transformation and Herbert transformation based on available original records, and random samples are produced by numerical simulation.

该方法根据有限的原始风速记录，通过快速富氏变换和希尔伯特变换，建立了非平稳随机过程数学模型，然后以数字模拟的方法产生所需的随机样本。

We establish mathematical models of optimal operation schema, and to solve them by feasible direction method and linear approximation.

在管网布局的基础上，以管网投资净现值为目标，建立了管网结构参数优化模型，并充分考虑了输气量、管径、输气压力、管长、增压比、压缩机数目之间的关系，采用混合变量优化方法进行求解。

At first, a rigor mathematical definition of the problem is presented, then the analytical properties of the feasible region are studied, and the solution existence is examined.

文中建立了暂态稳定预防控制和优化问题的数学优化模型，考查了问题的可行域性质，并由此探讨了解的存在性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。