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value distribution相关的网络例句

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Secondly, the combination in concept and problem teaching can enhance profound comprehension of Exclusive Events and Independent Events. Finally, because Distribution is basic knowledge in teaching probability, meanwhile, the calculation for Expected Value and Variance also are based on Distribution. Thus, Distribution is the most important in teaching them, it needs to give more emphasis.

其中计算机模拟手段在概率的频率定义教学中效果明显,并且直观模型在古典概型教学中的作用也相当明显;其次,通过概念教学与解题教学的结合可以帮助学生深刻理解互斥事件与独立事件;最后,随机变量的分布列作为概率基础知识,期望以及方差的计算都是以分布列为基础的,因而,强化分布列的教学是这部分内容的重中之重。

In this article, we discuss the problem of extreme value for Brownian motion with nonlinear drift and study the distribution of the maximum value and minimum value and the first passage time.

本文研究了从x出发的非线性漂移布朗运动的极大值、极小值和首达时问题。

We now have to make some assumptions about the characteristic of the jitter to proceed. One assumption that seems to work is that the jitter amplitude has a Gaussiandistribution. For a jitter waveform that has a Gaussian distribution, there is a point on the Gaussian jitter distribution curve that reflects the RMS value of jitter for Gaussian distribution waveforms, just as with the wave.

一个可行的假定是Jitter幅度具有高斯发布,对于有高斯发布的Jitter波形,高斯Jitter分布曲线上有一点反映了Jitter在高斯分布波形下的RMS值,这点称为"1-sigma值,标准分布"或者"RMS Jitter"值。

Combined with the surge-chamber ground swell calculation of some plants, get the numerical value of the influence of the superimposition and the superpose time; From the calculation of the plate pressure difference of the throttled surge chamber, analyze the numerical value of the influence of the superimposition on it.Chapter 5: Based on the analytic calculation of water hammer, indicate the linear pressure distribution in the diversion pipe system and the calculation operation of its maximum numerical value, combined with some project instances, analyze the the influence of the superimposition on it behind and before the surge-chamber.Chapter 6: Summarize the whole paper, and present the future research directions and emphasis.

结合具体电站的调压室涌浪计算,得到波动叠加带来的影响大小及叠加时间;并从阻抗式调压室底板压差的计算出发,分析波动叠加对底板压差的影响大小及叠加时间;第5章,在前人对水击压力的解析计算的基础上,阐述水电站引水发电系统中水击压力分布及其最大压力对应的计算工况,结合工程实例,分析调压室前后,波动叠加对沿程压力分布的影响及其大小;第6章,总结全文,提出今后研究的重点和方向。

The structure and heterogeneity of urban green space in the five districts in Fuzhou , which included the main tree species with diameter at breast height distribution, height class, health class, importance value, relation and the green space patches with areas distribution, perimeter distribution, porosity, connectivity, marginal density, dominance, the characteristics of geo-statistics and so on, were studied in quantification by the use of the principle of landscape ecology combining with the method of studying porosity and connectivity and geo-statistics.

本研究应用景观生态学的原理结合孔性、连通性研究方法和地统计方法对福州市五个行政区的绿地结构和异质性进行了量化研究,包括:城市绿地主要树种、树种的胸径分布、树高等级、健康等级、重要值和多样性、主要树种间的关联度以及绿地斑块大小分布、周长分布、斑块的孔性、连通性、边缘密度、优势度、斑块的地统计学特性等。

The empirical results show that the FIGARCH model based on the skew student-t distribution is better than other distribution on the assumption in estimating the value of the dynamic Var, because it is better to reflect the risk of actual rate of return and it is proved to be better to choose the skew t-distribution model through the Pearson test.

实证结果表明,基于偏态t分布下的FIGARCH模型测算的动态Var值克服了其他分布假设上的不足,能够较好的反映金融收益率的实际风险,最后在该分布下的Pearson吻合度检验也证实了模型分布选择的正确性。

The stress distribution of section in wide and thin box girder subjected to simultaneous bending and axial forces doesn't conform to the assumption of the plane section, and the transverse stress distribution is uneven; with the increasing of bridges' span and the lowering of security repertory, to consider the uneven of stress distribution in calculation of design and construction control, and to analyses the shear lag effect in the process of bridges' construction and using are bound to have important engineering value and theorical significances.

在压弯荷载共同作用下,宽而薄箱梁的截面应力分布并不符合平截面假定,沿横向分布不均匀;随桥梁跨度的加大和安全储备的降低,在设计计算和施工控制计算中考虑这种不均匀性,准确分析其在施工和使用阶段的剪力滞问题具有重要的工程价值和理论意义。

The change of average size of products along the radius at the exist of reactor has also been calculated. The calculated results indicate that the residence time is longer, the average size of products is larger, but the distribution of size is narrower, tending to self-preserving distribution; when the concentrations of reactants increase, the average size of products becomes larger, but the distribution of size becomes narrower; the gradients of reactants are greater, the average size is larger; the increasing of reacting temperature will cause the size of product to be larger under same residence time. The average size of product at the exist of reactor varies along the radius, has a maxim value.

模型计算结果表明,产物粒度随停留时间的增加而增大,但粒度分布变窄,趋向自保分布;产物粒度随反应物进料浓度的增加而增大,粒度分布随进料浓度的增大而减小;反应器中反应物浓度梯度较大(相当于化学反应为快反应)时,相同停留时间下所得到的产物平均粒度增加;反应温度的增加,粒子平均粒径增加,粒度分布变窄;反应器出口处粒子平均粒径,随着与对称轴的距离的增加,有一极大值,先增加,后减小。

As a result of error distribution\\\'s non-uniqueness, draws out to the standard deviation understanding again, by about standard deviation reflected that the erroneous zero rank value two side the variation targets, the application unimodal distribution fits the error distribution, the goal is: By approaches the rationality which under the enhancement goodness of fit\\\'s premise determines to the error.

从文章的上下文感觉此标准值似乎是人为规定的,并不受实测数据本身分布的影响,不具有客观性。个人认为:研究在实际中实测数据相对于均值的分布更有意义。按照作者的观点,误差的分布都是单峰的,除了正态分布这种对称分布外,作者认为还有不对称的偏峰分布。因此研究这种偏峰分布模型可能更有意义。

According to all-around investigating on wild Lonicera fragrantissima in various mountainous areas of Henan Province, this article has maken clear Lonicera fragrantissima regional distribution, Total resources quantity, biologic characteristics, ecologic characteristics, natural distribution patterns, the value of development and utilization, using form, cuttage and breeding technology, the collection and protection of wild idioplasmic resources and so on. It detailedly describes wild resources distribution, biologic characteristics and ecologic characteristics. It has classified and selected a batch of superior trees according to the differences in fruits shape, fruits color, leaf shape and shape of the crown of trees. It has based on the nutrition and medication ingredient analyzed the using methods of fruits and leaves, and the way of exploitation.Through the experiment on Lonicera fragrantissima cuttage and breeding technology, transplant and domestication technology, it has provided the concrete technical measure of idioplasmic resources use and the preservation for Lonicera fragrantissima.

本文通过对河南省各山区野生郁香忍冬资源的全面调查与研究,摸清全省郁香忍冬资源的区域分布、资源总量、生物学特性、生态学特性、自然类型与经济性状、郁香忍冬的开发利用价值、利用形式、扦插育苗技术和野生种质资源收集保存与保护方法措施等,对河南省郁香忍冬野生资源的分布,生物学特性、生态学特性进行详细描述总结;根据果形、果色、叶形、冠形的差异性进行了类型划分,并选出了一批优树;根据果实、叶片中的营养与药用成分分析、果、叶利用方法研究,分析了其开发利用途径,并开展了郁香忍冬扦插育苗试验和苗木移栽训化试验,为郁香忍冬种质资源利用和保存提供了具体技术措施,其主要结果如下: 1、郁香忍冬属中性偏阳的低矮灌木树种,在灌木坡上当其处于上层空间时或纯林分布时,生长最好。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。