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In accord with the characteristics of singular integrals in boundary element method for solving problems of thick plates on two parameter foundation,all formulas for calculating singular integrals are set up by selecting the displacements and stresses which satisfy the governing differential equations in this paper,on the principle of virtual energy.

根据双参数地基上厚板弯曲问题边界单元法中所遇奇异积分的特点，选取满足该问题微分控制方程的位移及内力场，建立了全部奇异积分的计算公式，有效地解决了边界元法在该问题应用中高阶奇异积分的计算问题

This paper, based on the principle of cost price, puts forward a new opinion on calculation, which is for the reference of foreign trade enterprises.

本文根据成本定价的原理、提出了新的核算思路，以供外贸企业在定价实践中参考。

The method is based on the principle of triangle inequality with the use of the third side and both sides of the ratio of the size to determine the Corner to feature point and its two adjacent feature points formed by the angle between two tangent linear and the third triangle on both sides and edges with another feature of the ratio as a variable.

该方法根据三角不等式原理利用第三边与另外两边之和的比值大小来确定角点，以特征点和它相邻的两个特征点所形成的两条直线的夹角正切值以及三角形第三边与另两边和的比值作为特征不变量。

Based on the principle of mass-changing mechanics,this paper analyzes the process of water wheel raising water,educes its movement differential equation s in its three stages from starting to stable running,obtains solutions of the equations,and calculates on the angular velocity of the waterwheel in constant motion.

应用变质量力学原理对农用水车在提水过程中所经历的三个不同阶段，即在运动过程中水车的受力和运动量都在发生变化的情况下，对其动力学问题进行了较为深入的分析，导出了水车由起动至稳定运转三个阶级的运动微分方程，并得到了它们的解答，进而求得水车在趋于定常运动时的转动角速度。

Cono húddur is a professional lustering oil suppliers and service providers, companies adhering to the " the sincere and technological innovation," management policies, product research and development of environmentally-friendly "" to for the sake of sticking to the " achromatous, low odor, non-methybenzene, on the principle of non-stimulating " and constantly provide high quality green products, services to the needs of the individual areas of packaging, with UV industrial paint and paper on the widely-used, we will further improve the existing range of services and enhance their services for new and existing customers high-quality, personalized service!

科诺奥是国内专业的纸张上光油供应商和服务商，公司坚持&科技创新、诚信经营&的经营方针，研发的产品始终以&环保&为前提，坚持&无色、低气味、无甲苯、无刺激&为原则，不断提供高品质绿色的产品，服务于各领域包装的需求，随着UV工业涂料及纸上光油广泛使用，我们将进一步完善现有的服务网络，提高服务水平，为广大新老客户提供更加优质、贴心的服务！

This paper introduces the related concepts and methods of survival analysis and QTL mapping in detail. This study uses accelerated failure time model for Bayesian QTL mapping, combining the survival analysis and biometrical genetics, and studies on the principle of Bayesian mapping analysis for Genomic Architecture of Survival Traits based on the accelerated failure time model.

本文对生存分析及QTL定位相关概念方法进行了详细介绍，并将生存分析中的加速失效时间模型应用于生物遗传领域的QTL定位分析中，与Bayes作图方法相结合，探讨了基于加速失效时间模型生存性状遗传结构的Bayes定位分析原理。

Based on introducing the grey system theory,this paper discusses on the principle of the forecast of equidimensional filling vacancies,advances the dynamic model of grey forecasting of equidimensional filling vacancies in the medium-long term load forecasting of power system,and forecasts the yearly load value of this area in the period of 1999-2009 with the model established by using the historical load data of some areas.

在介绍灰色系统理论的基础上，讨论了等维递补预测原理，提出了电力系统中长期负荷预测的灰色等维递补预测动态模型，并利用某地区的历史负荷数据建模预测出了该地区1999—2009年的年负荷值。

Based on the principle of current meter measurement, this article makes analysis on the influence of measured discharge by measurement distance and width error caused by hydrometric cableway counter.

从流速仪测流的原理，分析由水文缆道计数器而产生的测距、测宽误差对实测流量的影响，进一步说明水文缆道计数器率定与比测的必要性，并结合实际提出缆道计数器率定前实测流量的校正方法。

Methods:Based on the principle of finite element method and getting three-dimensional coordinates from lateral and frontal cephalometric X-ray films by Baunrind,the landmarks on cephalometric X-ray films were selected as nodes,by which the hard tissue was divided into four noded and pyramidal elements according to anatomic structures and their relationship.

基于有限元分析和Baunrind用头颅正、侧位定位片获取标志点三维坐标的原理，以硬组织标志点作为节点，按照解剖结构及结构间关系对硬组织进行单元划分。

According to the phytosociological theories and methods of Braun-Blanquet's school, the regional savanna vegetation of the dry-hot valleys of Yuanjiang river had been investigated. Based on the principle of fidelity degree, the typical 110 releves taken from every sampling stands of the dry-hot valleys were sorted up from below to upper into 15 Associations, then into 5 Alliances, 2 Orders and 1 Class. A synoptic classification system of Class-Order-Alliance-Association was established for the purpose to reflect deeply the characteristics of all syntaxa there in the aspect of plant component and their abundance-dominancy, presence, cover coefficient, life form, growth form, and ecological environment, community structure, species types and so on.

采用Braun-Blanquet植物群落学研究的理论与方法，对云南元江中上游干热河谷分布的植被进行考察研究，把各处取得较典型的110个样地记录按确限度的原则由下而上归类成15个群丛、5个群属、2个群目和1个群纲，建立了元江干热河谷萨王纳植被群纲—群目—群属—群丛分类系统综合表和15个群丛表，以全面深入反映全干热河谷植物群落各级分类单位中各植物种类组成的多优度、存在度、盖度系数、生活型和生长型等特征及其群落结构、生态环境和种型类别。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。