基本研究

It is based on discrete amount of research on the structure and the relationship between the main objective of Discrete Mathematics introduces the various branches of the basic concept of the basic theory and method.

它是以研究离散量的结构和相互关系为主要目标，主要介绍离散数学的各个分支的基本概念、基本理论和基本方法。

Based on facilities layout principles at transfer stations, method for infrastructure scale design has been researched.

在换乘站的各种设施布设基本原则的基础上，研究了换乘站基本设施规模确定和设计的基本方法。

First, the paper reviews the development and research of AC transfer speed system, introduces the different control strategy of transfer speed system for asynchronous motor, and discusses the basic principle of vector control system for asynchronous motor in detail,including the mathematics model and coordinate transformation of asynchronous motor, the fundamental equation of vector control, the estimation method of rotor flux, the system structure of vector control etc. Then, the paper lays stress on the fundamental principle, control algorithm and realization method in TMS320LF2407 of space vector pulse width modulation technology.

本文首先简述了交流调速系统的发展和研究重点，介绍了异步电机调速系统的不同控制策略，详细论述了异步电机矢量控制系统的基本原理：异步电机的数学模型和坐标变换、矢量控制的基本方程式、转子磁链的观测方法、矢量控制的系统结构等，并重点分析了空间矢量脉宽调制技术的基本原理、控制算法以及在TMS320LF2407中的实现方法。

Up to now, most of the economists insist on efficiency in Social Security. After the analysis of the character and status of Basic Endowment Insurance, based on Keynesianism, I brought forward that Social Security, especially the Endowment Insurance System, should insist on the fair as the most important things.

笔者在分析基本养老保险的性质及其在中国经济发展中所占地位的基础上，结合凯恩斯的经济学思想，提出了社会保障，特别是基本养老保险体系要以"公平"为原则的经济学观点，并采用社会学和经济学相结合的分析方法，运用统计和精算原理，通过实证分析对于我国基本养老保险的公平问题进行了研究。

Based on investigating the short and intermittent structural plane, surrounding rockmass of the huge underground powerhouse in Three Gorge has been divided into five statistical similar areas according to its characteristic of rockmass structure by applying structure plane network simulation. Distributed characteristic of structural plane has been studied and based on it mechanics macrocharacteristic has been studied:(1) It is the first time that based on the result of structural plane network simulation rockmass quality of every structure area has been studied with applying blurred information optimum seeking technique and be compared with and RQD method. The result indicated that it has better effect to evaluate rock quality with blurred information optimum seeking technique.(2) It is the first time that the interrelated relationship of the result of in-suit rockmass deformation test and fractal characteristic of structure on test point has been applied to determine rockmass deformation parameter. The question of evaluating deformation parameters of engineering rockmass has been solved.(3) Anisotropy strength parameters have been determined by applying shear zones simulating method. The result indicated that there are different strength parameters in every structural area, after comparing the result of Fast Lagranian Analysis in continua number simulation method with that of method of weighted mean according to continuity. The result indicated that when a suitable reduction coefficient is been considered rockmass strength parameters can be simply and fast determined with method of weighted mean according to continuity where there is not enough test result.(4) Damage characteristic has been studied based on analysis fractal characteristic of structural plane network by applying fractal-damage coupling method. It is the first time that the concept of damage degree has been set up to evaluate rockmass quality according to the biggest principal damage.

通过对短小、断续性结构面统计特征的研究，将地下厂房区划分为五个岩体结构统计均质区，应用结构面网络模拟技术研究了各个岩体结构均质区结构面的发育分布特征，并以此为基础对岩体宏观力学特性进行了深入研究：(1)首次通过在结构面网络模拟计算结果的基础上，应用模糊信息优化技术研究了厂房区各个岩体结构分区的岩体质量并与岩体基本质量指标研究法、岩体质量指标RQD值研究法作了对比，结果表明以结构面网络模拟结果为基础，应用模糊信息优化技术进行岩体质量评价能够取得很好的效果，解决了工程岩体质量的定量评价问题；(2)首次通过对已有的现场大型岩体变形试验结果的分析及相应试验点岩体结构分形特征的研究，建立了结构面分布的分形维数和岩体变形指标间的相关关系，并首次应用这种相关关系根据结构面网络模拟及分形维数计算结果确定了缺少试验结果的地下厂房各工程部位的岩体变形指标而且应用于围岩稳定性计算，解决了工程岩体宏观变形参数的评价问题；(3)应用在结构面模拟网络图上模拟岩体剪切破坏带的方法，得出了岩体在不同方向上的强度参数，结果表明岩体的强度特性与结构面的发育方向和程度有着明显的关系，各个岩体结构均质区具有不同的强度参数；同时还通过应用拉格朗日差分法对岩体强度指标的数值分析并与按连通率加权平均计算法对比表明，按连通率加权平均计算法在考虑合理的折减系数情况下，可以简单快速地对缺少现场大型试验结果的具体工程部位实现岩体强度指标的估计，通过以上研究解决了工程岩体抗剪强度参数的评价问题；(4)通过结构面网络分形维数的研究，应用分形损伤耦合分析方法，研究了厂房区岩体的损伤特征，并首次引入"损伤度"的概念，建立了应用最大主损伤评价岩体质量的指标体系。

Furthermore, we believe that the general rules for understanding the superstructures formed within boundary areas are correlated directly with different overlapping or connecting operation with respect to building units of flattened hexagons and P-B polygons. These rules are as following:I The adjoined domains at least have their basic structural units a side-shared (that is, sharing two column clustersП) The basic structural units in both domains have overlapping area as large as possible.3 For theξ-Al-Ni-Rh phase formed in the as-cast Al75Ni15Rh10 alloy, phase transition processes induced by electron beam irradiation with different amount of dose were studied by in-situ observations in an electron microscope.

本论文提出了畴界的通用模型：各种畴界及其畴界处超结构都可以用一个通用的叠加覆盖模型去表示，覆盖的基本单元为扁六边形或P-B多边形，连接与覆盖规则如下：I相邻畴中的基本单元至少有一个共用边相邻畴中的基本单元重叠时沿b方向有最大重叠面积。3研究了Al75Ni15Rh10合金中ξ-Al-Ni-Rh相在透射电镜电镜中经不同剂量电子束辐照后引起的辐照损伤和相变过程。

Thereby,he found a correctpath of the solution to the principal contradictions,i.e.through establishment andimplementation of the basic line of"one center and two basic points",under thepremise of adherence to the basic socialist system,we should reform fundamentallyvarious specific systems such as highly-concentrated stiff economy and politics.

在新的历史时期，邓小平总结国内外在社会主义社会主要矛盾问题上的经验教训，把马克思主义的基本原理同我国的具体实际和时代特征相结合，通过对社会基本矛盾的分析和研究，确立了人民日益增长的物质文化需要与落后的社会生产之间的矛盾是我国社会主要矛盾的思想，并由此找到了解决主要矛盾的正确途径，即通过制定和实施党的"一个中心、两个基本点"的基本路线，在坚持社会主义基本制度的前提下，从根本上改革高度集中僵化的经济、政治等各种具体体制。

According to performance degree of the positive symptom as the below: compulsion, physical symptom, human sensibility, antagonism, depression, bigot, anxiety, terror, and psychoneurosis; the mental health state of the primary school teachers is better than the middle school teachers; the senior middle school teachers have the worst mental health state; the mental health level of male teachers are equal to the female teachers; the mental health level of the teachers in charge of classes are equal to the teachers not in charge of classes, there is not notable difference; the teachers mental health level in each age-phase almost the same; the factors of the primary and middle school teachers divorced are higher than the single teachers and the teachers married, there is not notable difference.

本研究采用SCL-90临床症状自评量表，对258名中小学教师进行测试，探讨中小学教师心理健康的状况，结果表明：中小学教师的心理健康水平低于全国普通人群，心理健康问题的检出率为15.9%，按其阳性症状的表现程度依次为：强迫、躯体化、人际敏感、敌对、抑郁、偏执、焦虑、恐怖、精神病性；小学教师的心理健康状况比中学教师好，高中教师的心理健康状况最差；男女教师心理健康水平在总体上基本相当；班主任和非班主任的心理健康水平基本相当，没有显著差异；各年龄阶段的教师心理健康水平基本相当；离婚的中小学教师各因子分略高于未婚和结过婚的教师，但差异不显著。

In the introductory part of this paper, brief history and fundamentals of Air Traffic Flow Management and Airspace Capacity Estimation are introduced, which is followed by the recapitulation of the essential features of airspace and the classification of the commonly-used airspace capacity models.

论文首先介绍了空中流量管理、空域容量评估的研究概况和基本概念，总结了空域的基本属性和常用空域容量模型的分类，并对空域容量的两种基本概念进行了定义和分析。

Studies on basic working principles and designs of fiber lasersThe basic working principles as well as the major characteristics of laser and fiber lasers are firstly reviewed,including the interaction between light and matter, the laser oscillation conditions and the spectrum distribution,the gain characteristic and spatial hole burning effect,the influence of external environment on the stability of laser output and the actual limits of fiber laser bandwidth;The designs of bidirectional single-mode Er-doped fiber ring laser and multi-wavelength laser is then discussed,respectively;The characteristics of dynamic grating reflection spectrum of the fiber saturable absorber is systematically analyzed.?

在激光型光纤传感器的设计、实验现象的理论解释等方面做了如下的研究工作：光纤激光器的基本原理与设计方案概述了激光和光纤激光器的基本原理，包括光与物质的相互作用，激光振荡的条件及频谱分布等激光产生的基本原理：掺铒光纤的增益性质，空间烧孔效应和外界扰动对激光输出稳定性的影响，光纤激光器的实际极限带宽等光纤激光器的相关知识；分别讨论了双向单纵模环形腔激光器和多波长激光器的设计方案；系统地分析了掺杂光纤饱和吸收体中形成的动态光栅的反射谱特性。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。