查询词典 matrics

With concentrate parameter model, the linear vibration equitions of gear coupled rotor-bearing system are established using transmiting matrics method.

采用集中参数模型，用传递矩阵法建立了齿轮耦合多平行转子—轴承系统的线性振动方程。

By mean of congruence transformation, when root of a polynomial has zero-root or double-root, a method for diagonalization of some Bezout matrics is given in this paper.

主要通过合同关系，对Bezout矩阵中当多项式存在零根和存在二重根时的对角化问题进行分析，得到一些有意义的结论。

These two models both have the similar feature with classical dynamic OPF. Therefore, the KKT matrics are also block diagonal bordered matrices.

这两种模型都具有与经典动态最优潮流问题相似的结构，因此修正方程的系数矩阵同样具有分块对角带边结构。

In this paper, the following progress has been discussed:(1) the improved conjugate gradient algorithm which combines the inversion equation;(2) the formulation for velvet gene at all directions and the approximation method of Jacobian matrics based on disturbance method;(3) the model is adjusted by analyzing the influence of damp coefficient and correction factor to inversion result ;(4) the influence of damp coefficient to the resolution of inversion is studied. to some degree, we improved the problem of "barycenter ascending shift" to electric anomalous body in 3-D resistivity inversion.

本文主要讨论了以下几个方面的内容：（1）结合反演方程式改进的共轭梯度算法；（2）基于扰动法的线源Jacobi矩阵的近似计算方法及光滑系数矩阵在各个方向上的光滑因子的计算公式；（3）通过分析阻尼系数与修改量校正量对反演结果的影响，提出了利用校正系数对模型修正量进行校正；（4）较为系统的讨论了阻尼系数λ对反演分辨能力的影响，较好的改善了三维电阻率反演中的电性异常体重心的&上漂&现象。

The novel 1-D nanometer size with high tensile strength and modulus makes SWNTs a good candidate for producing reinforced composite with various matrics.

单壁碳纳米管更是由于其独特的一维纳米结构、高强度和模量，而被看作优异的补强材料。

The study contains the following purposes:(1) exploring the test-structure of Raven's Advanced Progressive Matrics,(2) examining the process of solving APM,(3) investigating possible factors that affect the construct validity of APM,(4) developing New Figure Reasoning Test, using cognitive measurement approach test design model and computer technology,(5) contrasting APM and NFRT from the viewpoints of test designing and empirical analysis, and (6) developing an automatic item-generation and online testing system for NFRT.

本研究的研究目的为：(1)探讨APM的测验结构；(2)依据认知测量取向，探讨APM的解题历程；(3)探讨影响APM之构念效度的可能因素；(4)根据「认知测量测验编制模式」和电脑技术发展「新编图形推理能力测验」，并验证该测验的构念效度；(5)从测验编制和实证分析比较APM与「新编图形推理能力测验」；(6)发展「新编图形推理能力测验」的「自动命题及施测系统」。

There are some methods used commonly to immobilize POM on electrode surface, for example, electrodeposition of POMs on the electrode surface from a polyoxometalates solution under constant potential, self-assembly and layer-by-layer deposition, entrapment POM into polymers matrics and sol-gel method. There are some drawbacks using above methods.

杂多酸化学修饰电极主要有以下几个方法：恒电势下，多酸阴离子在电极表面的电沉积；多酸阴离子在电极表面的自吸附；聚电解质和多酸阴离子在电极表面的交替沉积；把多金属氧酸盐包埋在各种聚合物中；溶胶－凝胶法。

Basd on good quality,putting the consumers benefit priority and innovation are the business matrics of LongFeng Classic. LF would like to set up friendly partnership,mutually benefically and commonly develop.

龙峰经典以质量为本、客户至上、开拓进取为经营理念，愿与业内各界人士建立友好合作关系，互惠互利共同发展。

Considering of helical gear separate mesh and tooth-back shock, the non-linear vibration equitions of the system are also established, and the non-linear stable cycle solutions of the equitions are evaluated through dividing the timechanging stiffness matrics and dimension the equitions with selfadapt vary-step auto-RK4 numerical method.

考虑了斜齿轮传动的轮齿脱啮和齿后侧冲击，建立了系统的非线性振动方程，并通过对方程时变刚度阵的分块处理及无量刚化，用自适应变步长auto-RK4数值方法求出了系统非线性振动方程的稳态周期解。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。