查询词典 stepwise enhancement

A case study shows that the stepwise regression model of daily runoff prediction based on wavelet decomposition is superior to auto-regression model, and is able to predict the daily runoff in 1~3 days in non-freeze-up period and 1~7 days in freeze-up period with accepted accuracy.

计算实例表明，本文提出的基于小波分解的逐步回归日径流预测模型的预测精度高于多元自回归模型，能对非凌汛期未来1~3天以及凌汛期1~7天的日均流量进行预测，能够为制定水电站未来的发电计划提供科学的依据。

With the changing demand of railway freight wagon and the fast development of the advanced manufacturing technology, especially the stepwise application of the soft process equipment, the computer aided building block design has been paid more and more attention by the railway manufacturing industry for the advantages of shortening the development cycle of product, fast response to the turn of market, ease of maintenance and upgrading of products and elongating the life cycle of product.

由于铁路货车需求的不断变化和先进制造技术的快速发展，尤其是柔性工艺装备的逐步应用，使得计算机辅助模块化设计以其能缩短产品开发周期、快速响应市场变化、便于产品的维护与升级、延长产品生命周期等优点，越来越受到铁路制造行业的广泛重视。

Methods:10 NGT,12 HINS and 17 IGT subjects take part in this research, hyperinsulinemic-euglycemic clamp technique was performed in all of them,in order to evaluate the differences on IR level among the three groups,analyse the relative influencing factors of insulin sensitivity index-M through linear correlation and stepwise regression method.

对10例NGT、12例HINS及17例IGT分别行高胰岛素-正葡萄糖钳夹试验，评估各组人群IR水平的差异，通过直线相关及逐步回归分析来评估胰岛素抵抗指数M值的影响因素。

On the basis of summarizing and discussing the gamma inversion, we point out that an analytic method of volume attribute is very important. The method integrates multiple stepwise regression and cross verification to optimize and combine the attribute, adopts the convolution factor to eliminate frequency difference between the seismic and logging data, uses the neural network as a matching and predicting tool. Because of its religious theoretic base, the method is more accurate than other ones.

在对目前常用的伽玛反演方法进行总结、讨论的基础上，指出地震体属性分析法具有明确的物理意义，有效结合了多元逐步回归和交互验证法进行属性的优选和组合，采用褶积因子消除地震信息和测井信息的频率差异，并以神经网络为拟合和预测手段，具有严谨的理论基础，相比其它几种方法更为准确合理。

It is a kind of electromagnetic mechanical device turning dispersed electric pulse signal into corresponding angle displacement or line displacement to Electric motor which by stepwise, it is one introduction that output pulse corresponding increment drive component.

步进电动机是一种将离散的电脉冲信号转化为相应角位移或线位移的电磁机械装置，它输出的角位移与输入的脉冲数成正比，是一种输入与输出脉冲对应的增量驱动元件。

Brightness and grey level were also meased. analyzed and Stepwise discriminant analysis was made. The results showed that the differences of R. G. B and their coeffieients.

测试参数为红、绿、蓝三基包含量和R、G、B的三色系数，同时还测算了胞浆的色度、饱和度、亮度和灰度，并进行了逐步判别分析。

Preoperative and operative variates were evaluated by univariate and multivariate logistic stepwise regression analysis.

1985年3月至2006年6月542例病人行二尖瓣成形手术，按手术死亡与否分成两组，进行单因素分析和多因素logistic回归分析。

The correlation analysis and stepwise regression between physiological characteristics of three species and environmental factors showed that the regression equation of Platycladus orientalis between photosynthetic rate, transpiration rate and the environment factor was P(subscript n=0.006PAR+1.176RH, E=1.120T; the regression equation of Pinus tabulae formis was P(subscript n=0.010PAR, E=1.004T+0.482RH; the regression equation of Tamarix chinensis was P(subscript n=0.015PAR, E=0.757T+0.566RH-8.397G.

对3种树的光合速率和蒸腾速率与影响因子进行相关分析及逐步回归分析表明，各树种光合速率和蒸腾速率的回归方程分别为，侧柏：P=0.006PAR+1.176RH，E=1.120T；油松：P=0.010PAR，E=1.004T+0.482RH；柽柳：P=0.015PAR，E=0.757T+0.566RH-8.397G。

AFM was used for nanometer-level-structure analysis of DNA damage induced by a particle and these two kinds of heavy ions. Measurement of the fragment lengths was accomplished with the use of Scion Image analyzed software, which allows a curved fragment to bemeasured in a stepwise manner at nanometer level resolution, and the change laws of three forms of DNA, supercoil, open circular and linear form as the dose increased were obtained.

借助于AFM，对α粒子和两种重离子诱发的DNA损伤进行了纳米水平的结构分析，并结合Scion Image图像分析软件的分段测量方法，对辐照诱发的DNA碎片长度分布进行了纳米级分辨的测量。

Irreversible sorptions of pesticides Azinphos-methyl,Diuron,Atrazine and Prometyn on Kaldenkirchen soil were studied by a method of soil column liquid chromatography with stepwise adsorption/desorption .

利用土壤柱液相色谱多级吸附/脱附法研究了保棉磷、敌草隆、莠去津和扑草净在土壤中的不可逆吸附及其影响因素。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。