查询词典 Model

Methods: Using the time series of cucumber downy mildew disease, we established an autoregressive integrated moving average model, ARIMA(2,2,0) based on model identification, comparison of residual variance, estimation and verification of parameter, observation of the correlation of the estimates matrix, autocorrelation check of the residuals, analysis of the fitting of model and so on.

采用黄瓜霜霉病病情指数时间序列进行研究，通过模型识别、残差方差比较、参数估计及其检验、观察参数之间相关系数矩阵、白噪声检验、模型的拟合度分析等过程。

For realization of the coupling between the physical model and the mathematical model, rhombic differential grids are adopted in the mathematical model, and a prediction of the water level variation a...

对影响复合模型运行的一些因素进行了分析，强调复合模型实时耦合中参数的匹配问题。给出了模型的运行情况，其精度满足工程需要，实现了实时耦合的复合模型。

The second type of model is the real business cycle model. This is a model that assumes Ricardian equivalence.

第二类模型是真实经济周期模型，即李嘉图模型，其理论前提是李嘉图等价。

In this thesis, we give a review on RMF model systematically. Combining the quake effort on the meson field introduced by Quantum meson coupling model, we reconstruct the RMF model and investigate the basic property of some nuclei.

本文首先介绍了量子强子动力学理论，这个理论是在很多地方都有成功的应用，在 QHD 基础上，引入了考虑核内结构的夸克介子耦合模型，借鉴 QMC 中对夸克介子的成功耦合，本文改进相对论平均场理论，使其更精确的计算锂等原子核的基态性质，研究中子晕等现象。

The system has a friendly human machine interface, which includes multiple video zone, control zone and simulation zone. The operator's sensing and understanding of the current situation of the EOD operation scene were enhanced. Furthermore, by building robot model, environment model and bomb model and using C-space method and heuristic searching technology the function was developed that the EOD robot could fetch the bomb semi-automatically, which greatly improved its operating performance, improved the operation security and efficiency and decreased the mental pressure of the operator.

该系统拥有友好的人机界面，包括多视频区域、控制区域和仿真区域，在能够增强操作者感知和理解排爆现场状况的基础上，更通过建立机器人模型、环境模型和爆炸物模型，运用C空间方法和启发式搜索技术，开发了排爆机器人对爆炸物的半自主抓取功能，提高了操作安全性能和工作效率，降低了操作人员紧张程度，大幅度提高了排爆机器人的操作性能。

The purpose of this study is to evaluate various data processing methods, including logarithmic transformation, robust statistics, excluding outliers and Box-Cox transformation for evaluating soil total P content with normal distribution. The result showed that Box-Cox transformation was applied in order to achieve normality in the data set and to dampen the effect of outliers. Geostatistical analyses were carried out, including calculation of experimental variograms and model fitting. The best theoretical model for semivariogram of soil total P were spherical model.

结果表明，Box-Cox转化成功地使数据集服从正态分布并消弱了异常值的影响，应用地统计学分析方法进行了实验变异函数的计算和最适合模型的拟合，得出土壤全磷最好的理论模型为球状模型，随后用普通克立格估值方法绘制了土壤全磷的空间分布图。

This work is supported by the Ministry of Science and Technology of China (No. 2004BA901A02). Three new theoretical models are proposed in this paper, which are three dimensional stability analysis model of landslides with single slip surface, three dimensional stability analysis model of landslides with multiple slip surface and failure time prediction model of landslides. Moreover, the kinetic rule of sliding body and rockfall are also discussed in this thesis.

在国家科技攻关计划"西部开发科技行动"重大项目(编号：2004BA091A02)的资助下，本文建立了单滑面滑坡三维稳定性分析模型、多滑面滑坡三维稳定性分析模型和滑坡失稳时间预测模型，同时还对滑落体和崩落体的运动规律进行了探讨。

The first is the unique existence condition of model root, and some relative concepts such as the amount of knowledge utility, etc. The second is the relationship between measuring accuracy and model reliability, which is analyzed from the view of error theory by introducing model uncertainty concept.

课题主要从软测量模型结构、软测量统计建模、软测量系统滤波三个方面进行深入的理论研究，并对软测量系统的实现技术进行仿真实验研究。

It was found that the predicted results of the mathematic model are good when the number of samples is 15 in calibration model and that in validation model is 6 (the total is 21) In that case, the value of the root mean square error of the estimation of calibration and the root mean square error of prediction of validation are very small(0.0115 and 0.0105 respectively) and almost the same.

结果发现，当校正集样品数为15检验集样品数为6（总样品数为21）时，使用外部检验法建立的数学模型预测结果较好，其校正集的均方根误差和检验集的预测均方根误差（分别为RMSEE和RMSEP）均较小（分别为0.0115和0.0105），而且很接近。

A plastic model was proposed which develops from the combination of boundary surface theory and multi-shear mechanism plastic theory. This model avoids the uncertainty and complication associated with the revision of Mansing's rule when a multi-shear mechanism plastic model is used, and is able to simulate the rotation of principle stress axes during seismic activities and the large shear deformation during liquefaction.

将边界面理论和多重剪切机构塑性理论结合起来并加以改进建立了多重剪切机构边界面塑性模型，避免了多重剪切机构塑性模型通过修正系统修正曼辛准则时的不确定性、复杂性；且能模拟地震时主应力轴的偏转和液化时剪切大变形。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。