查询词典 coefficient of variation

Difference of chromophoric dissolved organic matter concentration and constitution, mainly resulted by different source of CDOM, causes the seasonal variation of its absorption coefficient and slope S value.

利用2006年8月、 11月和2007 年3月太湖梅梁湾水样实验室测定的水体组分固有光学特性数据和水质分析数据，分析水体中各组分在不同季节的吸收特性，并讨论不同季节光谱吸收的主导因子。

Result: The genetic similarity coefficient was varied from 85.4% to 98.4%. The variation of protocorm, germination and monoleaf were rather more notable than that of bileaf and inflorescence.

结果：发现不同阶段内遗传相似系数较大，在85.409 3%～98.360 6%，其中在原球茎、萌芽期和一叶期存在的变异比两叶期、开花期要显著，但程度都极其微弱。

3In the normal space tensile,after controling the influence of density, the variation ofmicrofibril angle had a decisive effect on L MOE and longitudinal tensile strength of D333A wood microtome section; the Correlation coefficient between microfibril angle and L MOE became significant at 0.05 level for D1123A wood microtome section; the Correlation coefficients were all unsignificant between microfibril angle and L MOE and between microfibril angle and longitu- dinal tensile strength to D1223A wood microtome section.

正常间距拉伸中，控制密度的影响后，微纤丝角的变化对D333A组微切片纵向MOE和抗拉强度的变化起着决定性作用；对D1123A组微切片纵向MOE的相关系数达到0.05水平上显著；对D1223A组微切片纵向MOE和抗拉强度都成负相关关系，但都达不到显著水平。

With the increasing of directional backcrossing generationstransferred, variation coefficient and uniformity degree of different hybrid groupsdecreasing.

结果表明，随着定向回交世代的增多，杂交种群体内的变异幅度减小，群体整齐性逐渐提高。

The fourth part establishes a comprehensive evaluation model match with macro-microeconomic environment of objective dynamic weight .The financial indexes of SSE 50 listed companies are supplied from financial statement of 2004. And the financial indexes are choused with the total index methods of the coefficient variation and Wang-model.

第四部分以上证50指数股上市公司2004年度报表所提供的诸多财务指标为依托，结合变异系数法和汪氏模型筛选出所需财务指标，并配以能与宏微观经济环境相匹配的客观动态权数体系建立上市公司综合评价模型。

On the basis of analyzing the traditional real estate investment benefit appraisement method, this paper introduces the risk variation coefficient and systematic risk degree in investment, and revises the calculation formulae of base earnings ratio and net present value, then, brings forward real estate inves.

本文在对传统的房地产投资效益评价方法分析的基础上，引入了风险变异系数和投资的系统风险度，修正了基准收益率及净现值的计算公式，提出了考虑风险因素的房地产投资效益评价方法。

In a O〓-Ar mixture, the dynamic process of vibration-dissociation coupling behind a primary shock front is studied. The variation of many of the physical quantities with time are calculated out, such as the vibrational energy level distribution, the vibrational energy, the vibrational relaxation time, the dissociation incubation time, the dissociation product concentration, the dissociation rate and the dissociation rate coefficient.

对O〓-Ar体系考查了正激波后振动激发与解离耦合的动态发展过程，计算给出了振动布居分布、振动能、振动弛豫时间、解离孕育时间、解离产物浓度、解离速率、解离速率系数各物理量随时间的演化。

The relationship between the processing parameters and the dilution and the effective utilization of powder coefficient were explained theoretically In the meantime, the theoretical method to analyze the variation of the microstructure and the properties of the cladded layer were formulated.

建立了多道搭接技术条件下熔覆层稀释率、粉末有效利用系数和激光热有效利用率的方程。在搭接过程中，熔覆材料的损失机制主要是烧损。

Online tuning and relatively light calculation burden due to directly coefficient setting by formula extend this scheme to be used for fast-running process and mechanical equipment, numerical simulation over a wide range of system parameter variation shows that the recommended scheme is superior to both traditional PDF designed by Phelans approach and relay feedback auto-tuning PID in terms of performance behavior.

本文通过基于继电反馈的自整定PDF控制和基于Phelan法的PDF控制及基于继电反馈的自整定PID控制的比较研究，表明所提出的控制方法具有良好的控制效果。

Online tuning and relatively light calculation burden due to directly coefficient setting by formula extend this scheme to be used for fast-running process and mechanical equipment, numerical simulation over a wide range of system parameter variation shows that the recommended scheme is superior to both traditional PDF designed by Phelan's approach and relay feedback auto-tuning PID in terms of performance behavior .

大量的数值仿真试验表明，该自整定PDF控制方法具有良好的控制效果和在线调节性能，具有设计公式简单、相对计算量小的特点，能够应用于快速变化的过程和机械设备中。本文通过基于继电反馈的自整定PDF控制和基于Phelan法的PDF控制及基于继电反馈的自整定PID控制的比较研究，表明所提出的控制方法具有良好的控制效果。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。