查询词典 stepwise

Via sampling test, comparing model of stepwise regression, calculating curve and forecast, we may know: these models is better and can be applied directly into practical safety monitoring work.

通过抽样测试法测试、并与建立的逐步回归模型比较以及拟合曲线和预测分析均表明：采用上述模型有很好的效果，可直接应用于实际工作中。

The 10 factors stepwise regression equation model of the spores was established and the fitting validity was very good.

建立了空中孢子量的10因子逐步回归模拟方程，模型的拟合效果很好。

Least square estimate ; stepwise regression ; statistical testing and diagnosis ; effective factors

最小二乘估计；逐步回归；统计检验和诊断；影响因素

Stepwise regression analysis was adopted to estimate the relationship between the pharmacological data and compatibility.

所得数据通过计算机拟和，分别给出了胃酸、胃蛋白酶、胃粘液结合量、胃排空及小肠推进率的回归方程，从回归方程中可以较清楚地看到方中各药味与效应学指标的关联度以及药味之间的交互作用对药效的影响。

The relations between antibacterial activity and specific proteins/polypeptides expressed under induction in housefly pupae were investigated by the methods of SDS PAGE combined with stepwise regression analysis and response surface regression analysis.

0 引言昆虫不像高等动物那样有完善专一的免疫体系，缺乏 B和 T淋巴细胞，没有免疫球蛋白和补体，但是它们有极强的适应能力和防御能力。

Sampling points were obtained by using optimal Latin hypercube design of experimental method,meantime,in order to improve computing efficiency,application of stepwise regression response surface approximate method in the MDO system of the vehicle crashworthiness and free mode of Body-In-White,the approximate model was optimized by using sequential quadratic programming method.

采用最优拉丁方试验设计方法进行样本数据设计，同时，为了提高计算效率，采用了一种新型的响应面构建方法——逐步回归响应面方法构建了整车耐撞性与白车身自由模态多学科系统的近似模型，利用序列二次规划优化方法对此近似模型进行优化，避免了整车碰撞传统优化设计方法计算量大，在碰撞非线性系统优化中常常易导致收敛缓慢甚至不收敛的缺点，在满足了CMVDR294安全法规的同时，使得白车身的扭转模态值得到提高，汽车重量得到较大程度的减轻。

In order to satisfy the needs of the economical management and the engineering project, the paper gives three empirical formulae by the stepwise multiple regressiveness and main analysis methods to calculate the quantities of the machinery in the forest area of China. The formula(11) is used for accurate calculating.The formula (16) is used for simplified calculating and the formula (17) is used for roughly calcu!

为了满足宏观经济管理和工程规划的需要，本文利用逐步多元回归和主分量分析建立估算林区机械总量的经验公式，其中公式(11)是精确计算用，公式(16)是常用简化计算式，而公式(17)是粗略估算式。

Stepwise regression analysis revealed that self-accusation,solving problem and seeking support were significant predictors of depression.

国内有关不同人群应付方式的研究虽不少 [6～ 8] ，但是针对应付方式和抑郁问题的具体探讨则不多 [9，1 0 ] ，而有关研究生这一高学历群体应付方式的研究目前尚未见报道。

The O-2 production rate, H2O2 content, superoxide dismutase, peroxidase, ascorbate peroxidase, catalase and polyphenol oxidase and MDA content of petal of two tree peony cultivars 'Luoyanghong' and 'Huhong' during florescence and flower senescence were detected by the methods of conuentional biochemistry. The relationships among MDA content and others index were analyzed by the simple correlation coefficient, stepwise regression and the path-coefficient.

测定"洛阳红"和"胡红"2个牡丹品种开花和衰老过程中花瓣膜脂过氧化产物丙二醛、超氧自由基O(上标–下标 2、过氧化氢(H2O2)的含量及超氧化物歧化酶、过氧化物酶、抗坏血酸过氧化物酶、过氧化氢酶、多酚氧化酶的活性，并采用简单相关分析、逐步回归分析和通径分析等方法研究MDA含量与其他指标的关系。

Simple and multiple stepwise regression analysis were used to evaluate the correlation between variables.

标准差表示，组间的比较用t检验，变量之间的相关性用简单相关及多元逐步回归分析，用SPSS10.0软件包进行统计分析，P＜0.05为显著性差异标准。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。