对称地

Its wave propagation properties in symmetry and asymmetry structure are analyzed by 3-D EBPM including the analysis and study of the influence of refractive index to wave propagation. The bend fiber-slab is also studied in this paper and point that the influence of the refractive index of the substrate to wave propagation in fiber-slab is very important. The calculating results agree with the results of the test.

本论文利用三维显式光束传播法很方便地分析了对称、非对称光纤—光波导复合结构中光波的传输问题，包括光纤折射率的大小、光波导折射率的大小对光波传输的影响等在内的主要内容；随后又研究了光纤弯曲时光波导包层折射率对光纤内能量功率大小的影响，计算结果和实验结果吻合。

The studies and analyses about the formation and the biggest possible span of the symmetry and unsymmetry stick 〓 been made. And from the study results, the calculating formulas of the outlet magnitudes have been given out.

论文较全面地分析研究了对称粘结拱和非对称拱粘结的形成形式及可能产生的最大稳定拱跨，并由此给出了防止产生稳定粘结拱所需的出矿口计算式。

In this chapter, the MPV reactions catalyzed by alkoxy dysprosium is used to the reduction of prochiral ketones. The chiral alkoxy catalyst was prepared by chiral binaphthol and Dy 〓.

最后还将烷氧基镝催化下的MPV还原反应应用于潜手性酮的不对称还原，利用光学活性的联萘酚制备了手性烷氧基催化剂，结果表明该催化剂可有效地催化潜手性酮的不对称MPV还原。

In this paper, we study in detail some basic properties of network state graphs such as the number of components of a network which is equal to the sum of the numbers of stable states and cyclic stable state, and the network state graphs of symmetrical and antisymmetrical discrete neural networks in a fully parallel mode.

在这篇文章里，比较详细地讨论了网络状态图的一些基本性质，诸如网络的分支数等于网络稳定吸引子与环吸引子数目之和对称离散神经网络、反对称离散神经网络在全并行运行条件下网络状态图的结构特征等。

In this paper, an iterative algorithm is proposed to find the generalized centrosymmetric solution pair of matrix equation AXA~T+BYB~T=C. The solvability of the matrix equation can be determined automatically in the iterative process. When the matrix equation is consistent, the solution pair can be obtained within finite steps in the absence of round-off errors.

该论文运用迭代方法研究了矩阵方程的一般中心对称解解，特别地，当矩阵方程是相容的时，经过有限步就能求出该方程的一般中心对称解解，然后以此为主要依据进一步研究了矩阵方程的最优近似解，最后举例验证了该论文的主要结论。

In the special case when G = AutX, we call a G—vertex-transtive graph, G—edge-transtive graph, G—semisymmetric graph X is vertex-transtive edge-transtive semisymmetric graph respectively In this paper we investigate the autmorphism graph AutX of the cubic semisymmetric graph of order 12p ,when p is primes.

特别地，若G=AutX这时的G-点传递图、G-边传递图、G-半对称图称为点传递图边传递图半对称图。

The conclusion established some ways to improve the credit risk management such as optimize the national-owned enterprises and commercial banks operation structure; establish new relationship between banks and corporations; optimize bank's internal control system; balancing corporate financing ways, eliminate corporate over-dependency on bank's credit assets, and remove information asymmetric contributed by credit sales.

本文在分析和评述国内外银行信贷资产安全性相关理论的基础上，对银行信贷资产安全性与流动性、盈利性之间的关系、信贷资产安全性的概念、分类进行了界定和分析，在对影响商业银行信贷资产安全性共性因素和我国信贷资产安全性现状进行深入剖析的基础上，紧密结合中国银行业的实际，结合信息经济学、行为金融学的有关理论从产权制度、公司治理结构、融资行为、投资行为、内部控制等方面深入分析了借款企业行为、商业银行行为、政府行为及社会信用环境对信贷资产安全性的影响机理，特别是重点分析了信息不对称条件下商业银行信贷资产安全性生成机理，较系统、全面地论述了影响我国商业银行信贷资产安全性的特殊因素，并运用logistic等统计方法进行信贷资产安全性判别进行了实证研究，构建了我国商业银行信贷资产安全性判别模型，最后在此基础上提出了不断健全完善公司治理结构，树立市场化的新型银企关系；完善商业银行内部控制制度，强化内控执行机制；优化企业融资模式，降低企业对商业银行信贷资金的过度依赖；有效缓解商业银行信贷经营活动中面临的信息不对称程度等加强商业银行信贷资产安全性管理和控制的措施与建议。

They clearly support the existence of asymmetries in similarity judgments and the effect of brand names on those asymmetries.

他们很清楚地支持相似性判断中不对称的存在及品牌对那些不对称的影响。

In the second chapter, we discuss the depletion interaction between two big hard spheres under the symmetrical geometry confinement. The depletion interactions under the unsymmetrical geometry confinements are studied in the third chapter. The second and the third chapter involve the author s original works.

第二章主要讨论了在对称的几何约束下两大胶球间的排空作用；第三章主要研究了非对称几何约束下两大胶球间的排空作用和同样约束下旁系大胶球对大胶球与硬板之间排空作用的影响；第四章简短地总结了本文的工作，并对以后的工作提出了一些展望。

In this space, we construct two kinds independent phase operators by improving supersymmetric annihilation operator and supersymmetric creation operator, and then obtain their eigenstates.

我们进一步将它推广到用超对称谐振子的产生算符和湮灭算符来构造适用于超对称谐振子的双摸相位空间里的二类独立的相位算符并相应地求出了其归一化的本征态。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。