求...部分和
- 与 求...部分和 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In the test of weak-form efficient hypothesis, this thesis used auto regression, auto correlation function and unit root three models, and got the basically same results. In the test of semistrong-form efficient hypothesis, this thesis used market model, index return model and constant mean return model three ways to estimate the normal return when making use of event study, and the results were also basically same.
其中,为求全面和比较,在对弱势有效市场的假说的检验部分,本文运用了自回归检验、自相关函数检验和单位根检验三种计量模型,检验结果基本一致;在对半强势有效市场假说的检验部分,本文运用了事件研究法,并在估计正常收益率时使用了市场模型、指数收益模型以及均值模型三种方法,估计结果也相对一致。
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Child explanation, recall inside the partial civil case of the ground is to want dedicated the civil part begging countervail that is in Hong Kong at be being mixed in criminal case of inland.
童解释,撤回在内地的部分民事案件是要专注于在内地的刑事案件和在香港的民事求偿部分。
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The this article first part introduced the direct sale the concept and the direct sale spread to the Chinese winding development situation, then in analysis small direct sale enterprises external environment present situation and internal capital, product, talented person and management question, finally aims at these questions and the retail trade giant to the marketing channel monopoly present situation, the union direct sale pattern uses each marketing method to give a terminal sale plan to explain, how the small direct sale enterprise should defer to the direct sale Fathom channel innovation to strive for the survival and the development.
本文第一部分介绍直销的概念和直销传入中国曲折的发展情况,然后分析中小直销企业的外部环境现状和内部资金,产品,人才和管理的问题,最后针对这些问题和零售业巨头对销售渠道的垄断的现状,结合直销的模式利用各种营销手段给出一个终端销售策略来说明,中小直销企业应如何依照直销法通过渠道创新来求生存和发展。
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Due to its good effect in the reservation of information of signal abrupt change, mathematical morphology is often applied in the detection and location of short-term power quality disturbance, however, there is still a defect of invalid detection existing in partial detection methods based on mathematical morphology while some zero-crossing disturbances are detected. In this paper three mathematical morphology based disturbance detection and location methods, i.e., the method based on first-order derivation and morphological gradient, the method based on morphological gradient and soft threshold processing and the method based on dq decomposition and top-hat transform, are analyzed, that is, by means of simulation the adaptability of these methods in the analysis on the signals of voltage sag, voltage swell and electromagnetic transient oscillation is compared.
数学形态学因其在保留信号突变点信息方面有很好的效果,因此常用于短时电能质量扰动的检测和定位,但基于数学形态学的部分方法仍存在对某些过零点扰动检测失效的缺点,文章分析了3种基于数学形态学的扰动检测和定位方法,即基于1阶求导和形态梯度的方法、基于形态梯度和软阈值处理的方法、基于dq分解和高帽变换的方法,通过仿真比较了3种方法在分析电压暂降、电压暂升、电磁暂态振荡等信号方面的适应性,结果发现基于dq分解和高帽变换的方法在检测过零点扰动时具有很好的效果,因此选取这种方法对实测扰动数据进行了检测和定位分析。
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The amplifier itself consists of a cascade of RC neutralized common-emitter stages each with primary tuned interstage transformer.
放大器由中和了的共发射极级链接而成,级间用初级调谐的变压器耦合,叙述分三个部分:第一部分将中和了的共发射极电路用近似等效电路表示,第二部分分析级间网络,将晶体管放大器的功率增益表示成预给的频率函数后,就能导出各级间网络的谐振频率和Q值等,从而求出线路元件的数值。
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This paper presents a robust algorithm for the computation of the intersection of an implicit surface and a parametric surface.
算法主要分为两部分:特征初始点(边界点,转折点和奇异点)的求取和单调段的踉踪。
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One way is to regard them as the random variables submit to a certain distribution; another is to take them as a random process—— we derive random variables form any of its function's time development, and, the diffusion equation could be partially approached by a equation which is similar to the Ito stochastic integral equation so that the Ito stochastic integral equation is inter-related with the diffusion equation. Therefore, this process could basically reflect the uncertainty in different models.
PSFEM法是假定基本随机变量在均值点处产生微小摄动,利用Taylor级数把随机变量表示为确定部分和由摄动引起的随机部分,从而将有限元控制方程转化为一组线性的递推方程,求解得出位移的统计特性,进而求出应力的统计特性。
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In this paper we separate the Hamiltonian into three parts: a spherical symmetry Hamiltonian; a z-component of the angular momentum operator, and a non-spherical symmetric potential as the perturbation operator, and provide a propose method by separating the potential containing squared magnetic field B^2 into two parts spherical symmetric and non-spherical symmetric ones so that the first-order energy correction due to the non-spherical symmetric potential is zero, and the second-order correction due to B^2 can be obtained by a simple variational method.
采用变分法和微扰法相结合的方法,把高强度磁场中氢原子的哈密顿H分为三部分:球对称哈密顿;z分量角动量算符相应部分和非球对称势微扰,并用一种特别规定的分解法将哈密顿H中含磁场平方项的势能分解为球对称与非球对称两部分,且使非球对称部分引起的一级修正能量值为零,并采用一种简便的变分法直接求出B^2对能级的二级修正值。
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This error analysis is divided into three technologies unit: the reading and demonstration of 3-D data format, the pre-conjoining of 3-D graph based on collecting point and the full conjoining of three dimensional graphs based on ICP algorithm, and the obtaining and color display of error value.
该误差分析部分分为三维数据格式的读取和显示、基于拾取点的三维图形的预拼合和基于ICP算法的三维图形的完整拼合、误差值的求取和误差值的彩色显示三个技术单元。
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The research work of this article is made up of theory and application, it includes three partsrthe first, it takes SWOT analytical technology to analyse Zhangjiagang port" s developing strategic enviorment . The second, it according to the statistical figures about the cargo transport in recent years, it analyzes cargo transport structure and the changing law and the internal reason of cargo transport. At the same time it analyzes and calculates the change of the arriving ships" structure for a systematic and full understand of the transport demands. The third, it make a scientific forecast of the port" s future cargo capacity making use of the grey forecast system, which provides scientific basis for medium-long term development plan of the port"s cargo handling capacity. It also makes some analysis and research for medium-long term development future of Zhangjiagang port in use of physical unit analising technique, looks for the scaltered no-order and no-system reason of medium-long term development.
本文从理论和应用两个部分对港口发展战略进行了研究,研究的工作主要分三个部分:第一,应用SWOT法对港口发展环境进行技术分析;第二,在对国内外同类型港口进行分析的基础上,对张家港港的发展做一比较;根据张家港近年来有关货物运输的一些统计数据,对货物运输的结构和规模演变的规律及内在原因作一剖析,同时对到港船舶的结构变化进行预测,以求对运输需求有一个系统全面的了解;第三,应用灰色预测系统及三次指数平滑法和组合预测法对张家港港未来港口货运吞吐量进行科学预测,为张家港港货物装卸能力规划提供科学依据。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?