查询词典 gradient post

DATA SOURCES: An online search of National Center for Biotechnology Information, Entrez Pubmed, and the web sites of http://www.ninds.nih.gov/health_and_medical/pubs/post-polio.html, http://www.post-polio.org/ipn/pnn11-4d.html and China Journal Net was undertaken to identify articles about post-polio syndrome published from January 1998 to February 2005 by using the keywords of＂sport, post-polio syndrome＂.

资料来源：通过计算机检索NCBI，Entrez，Pubmed，http：／／www.ninds.nih.gov／heahhand_medical／pubs／post-polio.html，Nov.10.2004，http：／／www.post-polio.org／ipn／pnn11-4d.html。和中国期刊网1998—01／2005—02期间关于小儿麻痹后遗症的相关研究文献，检索词&运动&，&小儿麻痹后遗症（Post—Polio Syndrome）&。

In the meantime, COO of company of golden hill game is taken up the post of by Zhan Zhenyang, CTO is taken up the post of by Chen Fei boat; COO of company of golden hill security is taken up the post of by Wang Xin, CTO is taken up the post of by 10 thousand lis.

同时，金山游戏公司COO由湛振阳出任，CTO由陈飞舟出任；金山安全公司COO由王欣出任，CTO由万里出任。

This task school of high post of traffic of will comprehensive, systems analysis is active the mechanism moves inside managerial system, investment system of organization and administrative system and school, main feature and development trend reach industry of transportation of analytic our country talent demand, consider and offer transportation mechanism theory moves inside the managerial system with high post new school, investment system of organization and administrative system and school, form relatively the general and academic; of school education mode is traffic high post of the system management and decision-making branch provide decision-making basis related our country, for traffic high post practice of school education mode provides guidance, for our country practice of industry education mode is offerred draw lessons from.

该课题将全面、系统分析交通高职院校现行办学体制、投资体制和管理体制及校内运行机制，分析我国交通行业基本特征和发展趋向及人才需求，探究并提出交通高职院校新的办学体制、投资体制和管理体制及校内运行机制理论，形成较为系统的交通高职院校办学模式的一般理论；为我国相关管理和决策部门提供决策依据，为交通高职院校办学模式实践提供指导，为我国行业办学模式实践提供借鉴。

After extracting target image gradient,this mehtod can put image gradient into CPM,and then figure out the affine transform parameter of the precongnition model and target image.

最后采用模板图像轮廓线在电场化后的梯度图像中的最大能量熵值，利用遗传算法确定先验模板图像与目标图像之间的仿射变换参数，达到轮廓匹配的目的。

Characteristics of the individual ecological field gradient of the endangered plant Alsophila spinulosa was studied by constructing the individual ecological field gradient model.

通过构建濒危植物桫椤个体生态场梯度模型，研究桫椤个体生态场梯度的变化特征。

It has been found that, the matrix hardnesses is reduced by about 30 % with the increase of parameter P, and there exists a hardness gradient in phase α from grain center to grain boundary, which is in correspondence with the concentration gradient of alloy elements.

多年来的研究业已发现珠光体耐热钢在高温下长期运行中会发生珠光体球化、碳化物聚集、合金元素在固溶体和碳化物之间重新分配等组织变化[1]。

FR conjugate gradient methods with perturbations are proposed. The global convergence property of the first method is proved under the condition of main directions' sufficient descent. Whereas, in the proof of the convergence for the other two methods, we only need main directions' descent. Importantly and quite interesting, boundedness conditions such as objective function being bounded below, boundedness of level set are not needed. Chapter 5 presents a version of Dai-Yuan conjugate gradient method with perturbations.

在主方向充分下降的条件下证明了第一个方法的全局收敛性，而后两个方法的收敛性是在主方向下降的条件下证明的，这些收敛性证明的一个共同特征就是不需要目标函数有下界或水平集有界等有界性条件，第5章采用Wolfe或Armijo步长规则提出了带扰动项的Dai-Yuanabbr。

Researches show that the drive force characteristics of the electric tractor drive system based on series DC motor is close the ideal characteristics, the curves are concave, low speed with constant power, and high speed with constant torque; the electric tractor has large working speed under different shifts, but the extensive coincidence speed shows that the variable ratio of the gear is unreasonable; the maximum climbable gradient of this electric tractor is more than 30%, and does not need frequent shift when working for its extensive climbable gradient; there are many influence factors of continuous working time, which the more obvious factors are working speed and working load, the working time increases with the increase of the working speed and working load.2. Simulation researches on the drive characteristic of the electric tractor.

研究结果表明：基于串励直流电动机(来源：ABC21论文网www.abclunwen.com)的电动拖拉机电驱动系统的驱动力特性场接近理想驱动力特性场，其各挡下的驱动力特性是一组下凹的曲线，低速恒转矩，高速恒功率；同一行驶速度下所对应高挡驱动力大于低挡驱动力，这是由电机的调速特性决定的；电动拖拉机各个挡位下具有较广的稳定作业速度范围，但是各个挡位之间速度重合的范围较多，说明所用变速箱变速比与电动机匹配不合理；电动拖拉机最大爬坡度达到30%以上，并且各挡爬坡度变化范围较广，作业过程中不需要频繁换挡；影响电动拖拉机连续作业时间的因素较多，其中作业行驶速度和作业负荷影响最为明显，作业负荷越大，连续作业时间就越短，作业速度越快，连续作业时间就越短。2、电动拖拉机驱动特性仿真研究。

We have studied a model of a non-Newtonian viscous compressible fluid in 3D bounded domains, in which the viscous part of the stress tensor satisfies the coerciveness condition and the values of the growth condition ., are positive constants. Here is the tensor of the velocity gradient, is the strain tensor and ,which depends on the tensor of the velocity gradient, is the hefts of .

对满足强制性条件，以及增长性条件的非牛顿粘性可压缩流体在三维有界区域中的流动进行了研究，其中和为正常数，为速度梯度张量，是偏应力张量，为的分量，它依赖于速度梯度张量。

It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the FIR filter apporaches the contrary point spread function more, and that the estimated image is closer to the original one.

从代价函数的梯度入手推导出共轭梯度算法，其搜索方向保持不变而搜索步长变小，使滤波系数更加逼近于点扩展函数逆算子，从而使估计图像与原始图像更加接近。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。