查询词典 variation coefficient

Among the four paper formation assessment methods, i.e., coefficient of variation, varience (S^2), M/K formation index, and modified all-pairs score, the COV and look-through judgements are most affected by mean light absorbance. Under similar mean light absorbance renditions, all four methods gave similar results.

吸光度变异系数、影像灰阶变异数(S^2)、M/K交织指数及目测修正成对评分法四种纸张交织评估法中，变异系数及目测法受纸样平均吸光度之影响较大，而平均吸光度相当时，四种评估法所得之结果相近。

The coefficient of variation CV was lower than 5%, and comparing with that of ektacytometry, we found that there was a good correlation between the measuring results of the two methods.

该测量方法虽受红细胞压积和悬浮介质电导率的影响和限制，但只要在仪器测量范围内，严格控制压积的一致性，其测量的重复性和准确性是可以保证的。

Compared to SOC density in the dry land, SOC density in paddy soils was 13 percentages higher with a lower variation coefficient between different regions.

不同用地方式下，水田耕层有机碳密度比旱地的平均高13个百分点，但水田有机碳密度的区域变异显著低于旱地。

The range of Simple match coefficient was from 0.5877 to 0.9868 and the range of average was from 0.6732 to 0.7653,with the total average of 0.7237.The result indicated that the soybean population was with lower genetic variation.

品种间的遗传相似系数变化范围为0.5877～0.9868，平均值变化范围为0.6732～0.7653，总体平均值为0.7237，遗传相似系数较高，说明材料间遗传变异较小。

In order to make ET estimated conveniently, this research analyzed the correlation between water surface evaporation (E0) and crop evapotranspiration measured by large scale lysimeter, and the variation of evaporation coefficient.

为了更方便地估算作物蒸发蒸腾量，以大型称重式蒸渗仪实测的冬小麦蒸发蒸腾量为依据，分析了水面蒸发量(E0)与实测蒸发蒸腾量的相关性，并研究了蒸发系数的变化规律。

The commercial CFD software Fluent was used for simalation of aerodynamic charactirestics of some terminal guided munitions in terminal segment under different affack anyle and mach, the variation lav of or lift coeflienct, drag coeflient and roll moment coefficient with flight mach and attacls angle was obtained, The semulation result shows the caculated aerodynarve parameters can be referend to high accuracy firing table for the terminal guided projectile.

文中主要利用商业CFD软件Fluent对某型末制导炮弹的末制导段在不同攻角、不同飞行马赫数的气动特性进行了数值仿真，得出了该型末制导炮弹升力系数、阻力系数和滚转力矩系数随飞行马赫数和攻角的变化规律。结果表明，计算所得气动参数可以为该末制导炮弹编制高精度射表提供数据依据和参考。

This article selects 2473 experimental data of coal gange light aggregate concrete cubic strength on the spot in Fuxin, calculates their average value, mean—square deviation and coefficient of variation, and makes regression analysis.

本文收集了阜新市煤矸石轻骨料混凝土立方强度的现场试验数据2473个，统计了它们的平均值、均方差和变异系数，并进行了回归分析。

The dynamic characteristics of stochastic truss structures and stochastic frame structures are analyzed by using Random Factor Method. Then, from the expressions of structural random response of the frequency domain, the computational expressions of the mean value, variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non-stationary random excitation are developed by means of the random variable's functional moment method and the algebra synthesis method.

考虑压电智能桁架结构物理参数、几何参数、结构阻尼和外荷载、闭环系统控制电压分别或同时为随机变量，构建了结构在随机力作用下的动力响应分析模型，提出了求解方法，推导出结构动力响应随机变量的数字特征计算表达式，通过算例验证了所建模型和所提求解方法的正确性和有效性。

The variation coefficient of NUE is higher than that of NAE under the N fertilizer applications. It is also showed that the contribution of NUE to NE is higher than that of NAE in oilseed rape.

无论供氮水平如何，氮素利用效率的变异系数均大于氮素吸收效率的变异系数，说明氮素利用效率对油菜氮效率差异的贡献大于氮素吸收效率。

The results showed that genotypic differences of NAE,NUE and NHI obviously existed among these rice germplasms, with maximum coefficient of variation in NHI and minimum in NAE.

结果表明，水稻NAE、NUE和NHI存在显著的基因型差异，以NHI为最大和NAE为最小。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。