查询词典 variation method

A new method of automatic segmentation is developed based on the extreme point properties of wavelet transform. The method consists of two main steps: 1. Using the multi-resolution properties of wavelet transform, we can get the information of shape variation with space coordination.

该方法包括两个主要步骤，一是利用小波变换的多分辨率特性得到测井曲线的形态特性随空间坐标的变化信息；二是利用小波变换过零点的特征在不同尺度上的反映，提取不同尺度下的奇异点作为分层的待参考点，结合实际情况最终确定分层点。

The mean and individual inspection method for known coefficient of variation C(subscript V method were developed, and dimensionless criterion were given out by means of strength, load coefficients and reliability safety coefficient.

介绍结构可靠性检验的概念和各种强度检验方法的特点，对已知变差系数的均值核对总和个值检验方法进行改进，利用可靠性安全系数和各种强度与载荷系数，给出无量纲的判别准则。

The main research contents are as follows:1. Through massive calculation, analysis and comparison, sum up the similarities and differences between the special-shaped cross sections and rectangular cross sections in mechanical features, between reinforced concrete special-shaped columns and rectangular columns in load-bearing capacity, ductility performance and provide necessary basic concepts and data for further understanding the characteristics of the special-shaped columns;2. Through massive elastic calculations and elasto-plastic analysis, under the preconditions of satisfying the code's requirements for axial compression ratio, limit value of lateral displacement and load-bearing capacity of normal section,oblique section and beam-column joint, under circumstances of different intensity of earthquake, structure dead weight, sort of site and column grid bay dimension, the variation regularity of maximum suitable height of structure, and thus sum up the maximum suitable height of structure for code for the purpose of macro-control while deciding the design scheme;3. Make a preliminary study on the stress feature of reinforced concrete special-shaped column and Z-shaped column of which the ratio of limb length to limb thickness is between 4~5 ,and the preliminary design method is suggested;4. Through elato-plastic time history dynamic analysis of typical projects, check up the weak storey of the special-shaped column structure and yielding, breaking and collapse mechanism to satisfy the earthquake resistant requirement to buildings of remaining stand under strong earthquake;5. Derive for project use simplified calculation formula of vibration period, suitable vibration period, suitable rigidity of special-shaped column structure through theoretical analysis, and provide an easy and practical method for deciding the structure scheme economically, safely and reasonably;6. Based on the study achievements in theory and massive analysis and calculations of this paper, sum up the regularities of inner force, deformation of special-shaped column structure and seismic conceptual design, and thus the suggection of seismic design of special-shaped column structures is presented.

本文研究的主要内容如下：通过大量的计算、分析和对比，总结出异形截面与矩形截面在力学特性、钢筋混凝土异形截面柱与矩形截面柱在承载能力、延性性能等方面的异同，为深入了解异形截面柱的特点提供必要的基本概念和数据；通过大量的弹性及弹塑性计算分析，在满足规程对轴压比、侧移限值及正截面、斜截面、节点承载力抗震验算要求的前提下，在不同抗震设防烈度、结构自重、场地类别及柱网开间尺寸情况下最大适宜高度的变化规律，并在此基础上总结归纳出异形柱结构的最大适用高度规定，可用于规程，以便于在确定方案时起到宏观控制的作用；对肢长与肢厚比在4～5的钢筋混凝土异形截面柱及Z形柱的受力特点进行初步探讨，提出初步的设计方法；通过对典型工程的弹塑性动力时程分析，检验异形柱结构的薄弱层及屈服、破坏、倒塌机制，以达到建筑物大震不倒的抗震设防要求；通过理论分析，推导出异形柱结构自振周期，以及适宜自振周期、适宜刚度的工程实用简化计算公式，为经济、安全、合理地确定结构方案提供简便实用的方法；在本文理论分析、计算以及大量的研究成果基础上，总结归纳出异形柱结构内力、变形的规律及抗震概念设计内容，并在此基础上提出异形柱结构的抗震设计建议。

Based on practical demands of regional accident emergency management of major hazard installations, non-structural fuzzy decision method and accident consequence simulation methods are co-method to present safety management administration and related enterprises a multi-criteria decision support method, which is focused on enterprises that might be affected by the potential accident consequence of major hazard installations, for regional accident emergency management of major hazard installations, this method is aimed to optimize the management of emergency resource, promote the performance of safety management system, decrease the fatalities and property loss.

针对目前我国应对重大危险源突发事故的管理和决策主要依赖于相关领导或专家掌握的知识及经验的现状，将非结构化模糊决策方法(Non-structural Fuzzy Decision Method， NSFDM)和事故后果模拟方法相结合，以区域范围内受重大危险源潜在事故影响的企业为决策对象，以减小事故影响范围，降低事故严重程度为目标，建立起重大危险源区域事故应急决策的多准则决策方法，以期帮助安监职能部门优化配置应急救援资源，提高应急响应绩效，减少国家和人民的经济和财产损失。

Uses the biggest strength training method (80%～100% biggest strength) adding the unarmed quickest speed training method and the biggest strength training method (80%～100% biggest strength) adding 60% biggest strength load training method; two kind of different training load combination makes the acclivity to lie pushes the barbell training, to upper limb shot fast strength development two groups of not obvious differences.

用"最大力量训练(80％～100％最大力量)+徒手最快速度训练法"与"最大力量训练(80％～100％最大力量)+60％最大力量负荷最快速度训练法"两种不同训练负荷组合做上斜卧推杠铃训练，对推铅球上肢快速力量的发展两组没有明显的区别。③

Some methods in our practice are as following: work sheet method , T account method, symbolizing method, account classification method.

在我国，其编报方法在实际工作中主要有工作底稿法、T形账户法、标行法、科目分析法。

Finally, a hospital viscosity of plasma diagnostic system is optimized by adjoint matrix method and M-P generalized inverse matrix method of MTS. The results show that adjoint matrix method can't select effective variables and M-P generalized inverse matrix method is robust.

最后，利用马氏田口伴随矩阵法和M-P广义逆矩阵法对某医院现阶段血粘度诊断系统进行优化，说明伴随矩阵法在选择有效变量时存在的问题和M-P广义逆矩阵法的稳健性。

The object of projectile design is analyzed, and the layer-TOPSIS method is provided for the evaluation of total effectiveness by taking the layer concept into the TOPSIS method. In the calculation of object weights, the grade calculation method is suggested, which has less dependence on the subjectivity of decision-maker and can take account of both sensitivity and allowableness of objects, the geometric-arithmetic method is provided for grade weight calculation and methods for sensitive weight and allowable weight are given. Of modes in system analyzing, the penetration model of target with spherical-fragment is carried out based on the theory of Dynamic Spherical Cavity Expansion, and it is a supplement of the models for calculation the damage of the fragmentation warhead to target.

对弹丸设计进行了目标分析；通过在TOPSIS方法中引入层次结构的概念，提出了适用于弹丸总体效能评价的层次TOPSIS评价方法；在指标权重计算中，提出了对决策者主观依赖较少的能反映指标的敏感性和相容性的分级权重计算方法；在分级权重计算中，分别给出了等比-等差权值计算方法和敏感-相容权值计算方法；在系统分析的模型中，对破片战斗部的威力计算中的模型进行了补充，在空穴膨胀理论的基础上提出了球形破片侵彻有限厚靶板的侵彻计算模型。

Based on wave propagation feature, this paper analyses 3D seismic migration algorithms such as alternating direction implicit method, LU decomposition method, and inverse operator approach method. The result shows that the alternating direction implicit method is fast but causes distortion in wave field extrapolation and affects image accuracy; however LU decomposition and inverse operator approach methods are fast while holding circular symmetry of wave field, and are promising in oilfield exploration and development.

在波的传播特征分析基础上，对交替方向隐式法、LU分解法、逆算子逼近法等三维地震偏移算法进行了分析研究，结果表明，交替方向隐式法虽然快捷但是在波场外推中明显产生畸变并影响成像的准确性，而LU分解和逆算子逼近法是保持波场圆对称特征前提下的快速算法，在油田勘探开发中具有较好的应用前景。

In the article, the author to the conventional analogue method and separate method these two kinds different measured the warm far biography method carries on the analysis, the comparison, contrasts respective good and bad points, key to the separate method measured the warm merit has carried on showing.

在文中，作者对常规的模拟法和离散法这两种不同的测温远传方法进行分析、比较，对比各自的优缺点，重点对离散法测温的优点进行了说明。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。