查询词典 variance

Proposes a method of enlarging the concentration variance of dehumidification solution and improving the operation performance of the system.

提出了一种增加溶液工作浓度差、改进系统运行性能的方法，使系统更好地适应太阳能等不稳定热源。

Through the application of orthogonal method in the design of dehydrator,the text analyzed the result of experiment in variance,ascertained parameter's affecting in the design of dehydrator.

通过在除水器设计实验中应用正交法，使其在大量减少实验次数的前提下能够大致反映全面的实验结果，对实验结果进行方差分析，确定除水器设计中主要参数外圆直径、叶片切向角、叶片高度、叶片数目对脱水性能影响的程度，进行优化，为除水器设计中获取最佳设计参数提供科学依

Response of tree-ring structure to the variance of average monthly temperature and precipitation on Populus simonii and P.×beijingensis collected from Mu Us Desert was studied using theories of dendrochronology.

摘 要：应用年轮气候学理论和方法对毛乌素沙地小叶杨和北京杨的年轮结构的变化特征及其与月平均气温和月降水量的响应关系进行了分析。

Analysis of variance and principal component analysis were used to analyzed the data. Results: three hundreds and one women (30.28%) met AX criteria for PMS. There was statistic difference between the normal and the PMS cases. The pattern of symptoms were differ in different age-groups, Principal component analysis of TCM syndrome show that this questionnaire include most of the PMS symptoms. Health status and denutrition were the main cause for PMS.

结果：301名受试者(30.28%)满足PMS诊断要求，正常人群与PMS患者的症状水平差异显著，PMS患者不同年龄组部分症状水平差异显著，主成分分析显示本筛选表涵盖了PMS发病的主要症状；健康程度、营养程度低的女性易发病；部分PMS患者伴有痛经。

The axial variance of tissue percentage of resin canals and aether extractives are coherent in Cedrus deodar, and there are positive relations between them.

雪 松试材树脂道组织比量与雪松乙醚抽提物含量轴向变异规律较为一致，呈正相关。

Moreover, ethnicity does not explain any of the variance in this dependent variable.

而且，种族不能解释这一独立变量中的差异。

Moreover ethnicity does not explain any of the variance in this dependent variable.

此外，种族无法解释由变量决定的任何差异。

For TSFEM, the formulas of the mean value and the variance of water head at each node are derived directly with Taylor series expansions.

由此可计算出每个节点水头的均值、方差和协方差，这样就获得模型结果的不确定性。

Some of yellow azo pigments have been synthesized by coupling of acetoacetarylide derivates with different substituted nitroaniline diazonium salts. The relationship between pigment structure and shade, m. p., and thermal stability, and the, effect of addition of surface active agent on coupling reaction product have been studied. TGA and differential thermal analysis in air of the pigments and the variance of visible spectra reflectance have also been determined.

以不同取代的硝基苯胺衍生物为重氮组分与乙酰基乙酰芳胺衍生物为偶合组分，合成数种黄色颜料，观察了不同表面活性剂对其偶合产物性能的影响；研究了颜料分子结构与色光、熔点及热稳定性之间的关系；测定了颜料热重曲线及加热试样对可见光反射性能的变化。

The analysis in theory proves that cellular automaton is equal with a stochastic process that described by stochastic difference equations. The primary differential equation is expectation of this stochastic process. And its variance function is controllable. These results show that cellular automata are in agreement with primary differential equation in the statistical sense.

理论分析证明：该方法设计的细胞自动机等价于一个可用随机差分方程描述的随机过程，该随机过程以原微分方程为期望函数，并且，其方差函数是可控的，表明细胞自动机和原微分方程在统计意义上是一致的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。