方法

Some concepts about the reliability are described, and the method for calculating the reliability of system is provided by making linear substitution. While taking Stochastic Finite Element Method into the reliability calculation, a Nonlinear SFEM model is founded, and methods to resolve some problems in SFEM calculation are given. So as to the calculation of the force boundary, a method in FEM is provided for sabot pressure calculation, base of this, the numerical calculation model is carried out.

给出了弹丸发射强度可靠性计算中的一些理论和概念；给出了串联系统可靠性的逐步线性等效计算方法；将随机有限元方法引入可靠性计算中，建立了弹丸发射时的非线性随机有限元计算模型，并给出了计算中的一些问题的处理方法；在随机有限元的载荷边界的计算中，提出了弹带压力的有限元计算方法和在有限元求解思想上的数值计算模型。

Five ways on comparing covariance matrix are applied to the Shanghai 50 Indexes Stock Exchange, which are sample covariance matrix, scalar matrix, two-parameter covariance matrix, single index matrix, constant correlation matrix. We adopt principal components method and Markowitz portfolio method to measure stock market risk using VaR, getting the effect of measuring market risk. The result shows that sample covariance matrix and two-parameter covariance matrix could measure market risk more effectively.

本文以上证50指数数据为样本，采用样本协方差矩阵、数量矩阵、两参数模型矩阵、单指数模型矩阵、常量相关矩阵作为与股票相关的协方差矩阵，结合投资策略选择的主成分方法和Markowitz最优投资组合方法，计算VaR以度量市场风险，并比较了五种协方差矩阵度量市场风险的效果，结果表明，在主成分方法中，样本协方差矩阵和两参数矩阵方法能有效的度量市场风险。

First, the paper introduced the principle of the method,discussed the influence of sample interval of relaxation spectrum in the method and compared the method's result with the result from core mercury injection.

首先 ，介绍了基于梭状函数抽样的高分辨率弛豫谱反演方法的原理，并用该方法对岩心核磁数据进行了弛豫谱分解，讨论了弛豫谱抽样间隔对该方法的影响；其次，高分辨率弛豫反演结果和压汞结果的比较证明了弛豫谱反演方法的高分辨率优点。

A new analysis method is presented. The procedure of Secondary Voltage Control study using this method is discussed in details, and the validity of this method is verified by numerical examples.

分析了电力系统电压稳定的静态分析方法和动态仿真方法的优缺点，讨论了一种准静态仿真分析方法，并给出了使用准静态仿真方法进行二次电压控制仿真研究的详细步骤。

AHP and triangle fuzzy comprehensive evaluation are combined to handle the partner selection of airline alliances evaluating problem.

针对航空联盟合作伙伴选择问题，将AHP和三角模糊综合评判两种系统评价方法组合起来，建立了三角模糊数与AHP综合的评价模型，结论证明该方法兼具两种方法的优点，而且简便易行，为定性与定量结合评价问题的研究提供了一种新的方法。

During the late 20 years of the 20th century, the academic circle in China developed an overall and deep self criticism over those phenomena of exclusion, negation of the traditional research method, natural scientific method and humanistic method from the 1950s～1970s.

20世纪后 2 0年，中国学术界对 5 0～ 70年代排斥否定传统研究方法、自然科学方法、人文主义方法的现象进行了全面、深刻的检讨，从而恢复了这三大方法在人文社会科学研究中的地位，并因此对 2 1世纪的人文社会科学研究产生了深远而积极的影响。

The traditional query tree optimization methods,parallel database optimization methods based on left linear trees and right linear trees,bushy trees,and operation of the forest,have their own pros and cons,they have been more in-depth and maturity of the study.The query optimization method based on multiple weighted tree has studied its model of parallel query plan,its complexity model of parallel query plan and query optimization algorithms.The semantic query method transforms an inquiry into one or several semantic equivalence inquiries then has to find and implement a strategy to achieve a better query.Agent-based parallel database query optimization using Multi-Agent technology to automatically search the integrity constraint conditions which are related to the determined query,there for,the efficiency between several relations' joins has been greatly improved.The parallel optimization algorithm,based on genetic algorithm which is suitable for multi-joins of cluster environment,has deeply studied the relations storage options,multi-joins query optimization and query processing and other key technologies based on cluster parallel database.

传统的查询树优化方法，即基于左线性树、右线性树、浓密树、操作森林的并行数据库查询优化方法，各有优劣，对其的研究比较深入、成熟；基于多重加权树的查询优化方法，研究了其并行查询计划模型、并行查询计划的复杂性模型和查询优化算法；语义查询优化方法将一个查询变换成一个或数个语义等价的查询，进而寻找并执行这些等价查询中具有较好实现策略的一个；基于Agent的并行数据库查询优化采用Multi-Agent技术自动查找与给定查询有关的完整性约束条件，使得多个关系间连接操作的效率得到很大的提高；基于遗传算法的并行优化算法，深入研究了基于机群并行数据库中关系存储的选择、多连接查询优化和查询处理等关键技术。

According to analyzing the features of annotation of spot elevation,this paper gives a method of identifying elevation annotation of a scanned topographic map and discusses the principle of the method,including separating character series on the basis of morphologic translating and cutting apart single character on the basis of vertical projecting .

分析了扫描地形图中高程点数字注记和等高线数字注记的特点，介绍了一种扫描地形图数字高程注记的识别方法，并着重介绍了该方法采用的技术，包括形态学变换基础上的快速数字字符串分离方法及基于垂直投影的数字字符分割方法等，并给出了性能评价。

In logic level, the application of the binary decision diagrams, Markov Chain and boolean difference in power estimation is introduced first, the strategy about how to make a balance between estimation accuracy and estimation velocity is introduced secondly, after that, the new problems emerged in the power estimation of the sequential circuit and the resolution is given out, the power estimation method based on the logic simulation is introduced at last.

在逻辑级功耗估计方法中，首先介绍了二叉判决图、马尔可夫链、布尔差分在功耗估计中的使用，其次研究了功耗估计速度和精度之间进行折衷的方法，然后介绍了时序电路功耗估计中出现的问题以及解决方法，最后介绍了基于逻辑模拟的功耗估计方法。

We consider that fussy comprehensive evaluation method with weighted average matrix is suitable for the evaluation of Chinese little towns'sludge disposal and utilization through analyzing and comparing the comprehensive methods at present. This method conquers the disadvantage of using fussy matrix signally, which will ignores many affecting elements resulting in an inaccurate result.

通过对现有的综合评价理论和方法的分析比较，认为结合加权平均矩阵算法的模糊综合评判方法是适合中国小城镇污泥处置与资源化方式的决策评价的方法，该方法克服了单独使用模糊矩阵的算法忽略很多影响因素，结果不准确的缺陷，有效地提高了决策评价的准确度。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。