查询词典 stepwise

Via the stepwise discrimnant analysis, crown dieback is found to be the most important variable. If one wants to keep the hit rat over 90%, one can use 6 original observed variables.

使用逐步鉴别分析，发现树冠梢枯为最重要的变数，而将调查变数缩减为6个仍保有90%以上的击中率。

Being limited by computing tools, the method of stepwise discriminatory analysis cannot even be applied accurately.

由于计算工具的限制，有时甚至不能准确地应用逐步判别法。

To make occurrence degree prediction, single factor regression algorithms, stepwise regression algorithms, discriminatory analysis, Markovian model, fuzzy mathematics theory and Back propagation neural network algorithms are studied and models are builded.

将筛选出的主要气象因子作为预测因子，分别用单因子回归预测法、逐步回归预测法、判别分析预测法、马尔柯夫链预测法、模糊数学预测法与神经网络预测法建立了关中地区小麦吸浆虫的发生程度的预测模型。

Methods We used correlation analysis to precondition the data to reject indexes, and used stepwise discriminatory analysis to choose indexes and made the diagnosis by multiple linear discrimination analysis.

方法用相关分析做数据预处理剔除指标，再用逐步判别分析(stepwise discriminant analysis，SDA)选入指标，并用多元线性判别分析诊断，最后随机抽样比较剔除指标前后的诊断效果。

RESULTS: All the selected items were analyzed by the different statistical methods, including significance grade, discrete tendency, principal component analysis and factor analysis, cluster analysis, stepwise regression analysis, discriminatory analysis and Cronbach's alpha. Three domains, 11 facets and 50 items made up the general structure of CH-QOL.

结果：应用专家重要性评分法、离散趋势法、主成分分析法与因子分析法、聚类分析法、逐步回归分析法、判别分析法及克朗巴赫系数法等统计分析方法，对不同分析结果选中的条目进行综合考虑，最后形成了以3大领域、11个方面和50个条目为结构的最终中华生存质量量表。

Advancing notable test to all variables according to data of collection before using to method of stepwise discriminatory analysis to set up discriminant function.

把101例恶性肿瘤患者按中医临床辨证标准分为偏虚组、偏实组、虚实并重组，并设对照组100例，分别测定其外周血载脂蛋白A1、B100水平及A1/B100比值和免疫指标CD3、CD4、CD8、CD4/CD8比值、NK细胞及IgG、IgM、IgA，收集所得数据资料，先将各指标进行显著性检验，后运用逐步判别分析法建立判别函数对其进行判别分析。

However, by taking advantage of the steric restriction offered by the three ethoxyl groups on the heads of the C8TES molecules, as well as the difference of the chemical activities between the OTS and C8TES molecules, it was possible to construct both the homogeneously and phase-separated mixed C8TES/OTS SAMs by means of the stepwise method.

但是利用C8TES分子头部三个乙氧基所形成的空间位阻以及C8TES和OTS分子之间反应活性的差异，采用分步法可以制备出混合均匀的均相和相分离(Phase-separated)的C8TES／OTS混合自组装单分子膜。

Methods 302 cases were investigated using Functional Living Index Cancer Scale,the canonical correlation,correlation and stepwise regression were used in the analysis.

采用癌症病人生活功能指数量表对 3 0 2例现患大肠癌患者进行生命质量的流行病学调查，对所得资料进行因子分析、相关和逐步回归分析。

This paper tries to make it clear the existing forms of the REE in gold-bearing pyrite in the Jinshan gold deposit by the stepwise dissolution test with ICP-MS analysis.

本文利用分步溶样ICP-MS测试方法对江西金山金矿含金黄铁矿中稀土元素作了详细的研究，试图弄清黄铁矿中稀土元素的赋存状态。

After exchange, rats were subjected to stepwise isovolemic hemodilution.

交换后，大鼠服从逐步的等容量血液稀释。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。