查询词典 dissertation

Main topics of this dissertation are as follows:(1) In this paper, we re-interpreted the basic concept of classical rough set theory based on VPRS, we also analyse the features and process of the application of rough set theory in data mining and pointed out the direction of the research.

本文的主要工作包括：(1)在可变精度粗糙集理论下对经典粗糙集的概念进行了重新的诠释；分析了粗糙集理论在数据挖掘应用中的理论根据和基本原理，并点出了研究的方向。

In view of the disadvantages existing in the proof of the theorem of the classification, this dissertation analyzes the necessity and feasibility to give a second proof, and elaborates on the GLS Project according to the latest research information.9. The finish of the classification of finite simple groups has profound influence on mathematics and other fields.

挖掘了分类定理最初证明中存在的弊端，提炼并概括出对分类定理进行二代证明的必要性与可行性，通过查阅最新研究资料，详细介绍了目前正在进行的GLS计划。9。

In view of their theoretical and practical significant importance in the investigation of sophisticated biological topics, and in the development of novel drugs and new biochemical tools, DNA intercalators and cleavers have received much current interest This dissertation focuses on synthesis of hetrocycles containing naphthalene moiety and on the mechanism of their interactions with DNA.

DNA嵌入、切断剂的研究，对探索生命科学中的复杂问题，发展新药、新型生化工具具有非常重要的理论和实际意义，成为当前多学科的研究热点。本文从我国国情出发，以国内资源丰富的萘类化合物为基点，设计、合成了一系列多杂环平面刚性分子，并对某些化合物与DNA相互作用的分子机理进行了研究。

The first chapter analyses the ideal mythos in Su Wei"s novels according as the clerisy "s choice of ideal destroyed; then I discusse the characters in Su Wei"s novels according as geographical characteristics and the characteristics of the times; the third part focus on the artistic features on the basis of the image of wildemessness, sex delineation and the language of literature; In addition, the paper also examine the unique temperament of artistic and ideological sense in the context of Educated Youth literature and student abroad literature. Overall, this dissertation finish the systematic groundbreaking research on Su Wei"s novels.

论文首章是以知识者在理想泯灭后的选择为依据，细致分析苏炜小说中的理想主题；继而深入文本，以地域特点和时代特征为划分，讨论其小说里寓意丰富的人物形象；第三部分是从荒野意象、性爱描写和语言特点三个方面着眼，对苏炜小说的艺术特色进行基于文本的分析；此外，论文末章还将其创作放置在知青文学和留学生文学的开阔视域下，审视其艺术和思想意义上的独特气质，从而完成了对苏炜小说创作较为系统的、具有开创性的研究。

In this dissertation, EISCAT radar observations and computer numerical simulation methods are involved to study the climatologic characteristics of polar ionosphere and their mechanisms, as well as the polar ionospheric responses to magnetospheric particle precipitation and convection electric field. Then, with the help of the numerical computation, the EISCAT data are employed to invert the energy spectra of auroral precipitating particles and their responses to magnetic storms and substorms.

本文联合利用EISCAT雷达数据和计算机数值模拟手段，以雷达探测数据为基础，数据分析和数值模拟、理论研究相结合，研究了极区电离层气候学特征与机制，磁层粒子沉降和对流电场对极区电离层的影响，并利用雷达数据反演极光沉降粒子能谱特征及其对磁暴和亚暴的响应。

Furthermore, this dissertation verifies the stability of the closed-loop system under this control scheme by constructing an appropriate Lyapunov function.

此外，本文还通过构建一个恰当的Lyapunov函数，验证了在这一控制方案作用下闭环系统的渐近稳定性。

The main contents of this dissertation are as follows:(1) A new networked PC cluster parallel computing environment is set up,which is simple and easy to use. The detailed method of configuration and use is presented.

本文主要在网络微机机群并行计算环境下，对弹性静力、弹性动力和弹塑性结构的并行边界元分析方法进行了研究，并在水工结构分析中进行了实际应用。

Based on the networked workstation cluster parallel environment of MPI, the main contents of this dissertation are as follows:(1) A networked workstation cluster parallel computing environment is set up. The basic concepts of parallel computing are described. MPI programming is presented.

本文在基于MPI集群环境下，所做工作的主要内容如下：(1)利用工作站构建了网络机群并行计算环境，阐述了并行计算的基本概念，介绍了MPI编程方法。

Therefore this dissertation studies the macrocosmic evaluate methods of bus priority planning based on the contents above, and constitutes a set of evaluation indexes using the managers, users and relatives as the main bodies of the plan evaluation. It filters a more relative indexes by the method of independent minimum variable fuzzy cluster analysis and analyzes the calculate methods of the chosen indexes.

确立以建设管理者、使用者和相关者作为方案评价的主体，构造了相应的评价指标，采用独立最小变量模糊聚类方法对相关性较强的指标进行了筛选，并对筛选后的各个指标的计算方法进行了分析。

In this dissertation, fuzzy cluster analysis is particularly studied at first.

有许多理论和实际的课题有待更加深入的研究。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。