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For this reason, the project creates the mathematical model and numerical method of backcalculation of layer moduli in asphalt pavement based on homotopy method in accordance with the theories of differential topology and optimization. Through selecting the rational objective functions of backcalculation of moduli, a large number of deflection basins of asphalt pavement with FWD are made the backcalculation of moduli to solve effectively the present problems and ensure the reliability of backcalculation of layer moduli in asphalt pavement.

为此，本项目根据微分拓扑和最优化理论，建立了基于同伦方法的沥青路面模量反算的数学模型和计算方法，并通过选取合理的模量反算目标函数，对大量FWD实测的沥青路面弯沉盆进行了模量反算，从而有效地解决了目前存在的问题，保证了沥青路面模量反算的可靠性。

Meanwhile, there arise some problems, including short of fund, difficulty in diffluence of employees, rigidity in thinking, problems with market-oriented products, fetter of theories, limitations of system, and potential problems caused by leadership ' s involving in contracting and nude purchase.

其中产生了一些较好的做法，如以技术要素、经营者才能和职务参股配股，职工购股置换身份，采用托管方式防止兼并可能的问题，打破狭隘地区观念引入外来大企业，收购方和被收购方优势互补，改制分步进行，向全国公开选聘管理人员等。

Based on the diffraction and polarization of grating and some theories of the electronics, the system was analyzed. After the benchmark grating was designed, and lots of experiments were carried out.

以光栅衍射和偏振光学为理论基础，结合电子学的相关知识对系统进行了理论分析，设计了基准光栅，并进行了大量的实验研究。

Because of lacking systematic scientific theories, the understanding of some concepts and contents is obscure, diffusive and incorrect.

由于缺乏系统的科学理论基础，使得对评价中某些概念和内涵的理解不一致，对一些评价方法混淆不清，运用有误。

Under the guidance of the theories of sedimentation, paleontology, stratigraphy, reservoir geology and digenesis, synthetically applying the methods of the conjunction of spot-line-surface, macro-microscopic and field-indoor, there is a comprehensive study for the upper Permian series in stratum, rock, sedimentary facies and diagenesis, especial for the type and characteristics of sedimentary facies, in the paper.

本文主要是以沉积学、古生物学、地层学、储层地质学等相关理论为指导，运用点线面、野外与室内、宏观与微观相结合的方法，并借助普通显微镜、阴极发光显微镜等手段对川西地区北部上二叠统的地层、岩石、沉积相以及成岩作用进行了研究，尤其是对沉积相的类型及特征作了详细的划分与阐述。

Based on some influential theories of the structure analysis of codeswitching, such as free morpheme constraints, equivalent theory and matrix language frame model, and so on, the author puts forward a pattern, which takes the MLF Model as the basic theoretical frame, considers the concrete situations, and divides the Chines-English codeswitching into intrasentential codeswitching, intersentential codeswitching, and diglossia codeswitching.

并在分析一些语码转换结构研究上较有影响的理论基础上，如自由词素限制、对等限制、母体语言模式等，提出了以母体语言模式为基本理论框架，并与中英语码转换的具体情况相结合的中英语码转换分类模式，即句内转换、句际转换和双语转换。

Based on the research work of basic theories including phase space reconstruction,embedding theorem,correlation dimension,local dynamics,Lyapunov exponents,surrogate data etc,based on the research work of general methods such as principal component analysis,correlation dimension GP algorithm,false neighbors method,nonlinear time series prediction,local prediction, adaptive prediction,neural network model,support vector machines regression model, prediction power,nonlinear detection,coarse-graining methodology,conditional entropy and so on,the framework of nonlinear time series analysis are constructed.

在对包括相空间重构、嵌入定理、关联维数、局部动力学、Lyapunov指数、替代数据(来源：A97BC论文网www.abclunwen.com)、等基本理论与其物理意义的研究和讨论基础上；在对包括主分量分析、关联维数GP算法、伪邻近点法、非线性时间序列预测、局域预测、自适应预测、神经网络模型、支持向量回归模型、预测效果、非线性检测、粗粒化方法、条件熵等非线性时间序列一般分析方法的原理和算法研究基础上；构建了新的非线性时间序列分析的理论体系，归纳总结了非线性时间序列分析的基本问题和主要研究方面。2。

The reliability theory is combined with the fuzzy optimization technique, the theories and methods on the symmetrical fuzzy reliability optimization design, the asymmetric fuzzy reliability optimization design and the multi-objective fuzzy reliability optimization design are presented respectively, and then the correspondence direct model solutions, the iterative solutions, the corrected algorithm for iteration method, the level cuts solutions and the searching solutions with limited boundary for the asymmetric fuzzy reliability design are presented respectively.

将可靠性理论与模糊优化技术有机地结合起来，提出了结构对称模糊可靠性优化设计、非对称模糊可靠性优化设计和多目标模糊可靠性优化设计理论与方法，并分别给出了模型的直接解法、迭代解法、迭代求解的改进算法和非对称模糊可靠性优化设计模型的水平截集法和限界搜索法。

The theories and the applications of composite foundation are quite activethe research direction in civil engineering field at present.

复合地基的理论与应用是目前土木工程中比较活跃的研究领域。

Both theories of "relaxation polarization" and "ion disarrangement" based on dielectric physics are assumed.

其次，研究了交变电场对于含盐水溶液冻结过程的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。