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Topological indexes of A , B , C and D were all obtained from the different combination of topological vertex degree. A QSAR equation for this series of compounds was established based on the multi-linear regression method and a new group of autocorrelation topological indexes. The results showed that the biological activity is linearly correlated with the volume and branching size of the quinclorac derivatives. Finally, new herbicide was designed based on all QSAR results.

针对应用经典结构参数和量子化学参数得出的结果不够理想的问题,对点价自相关拓扑指数进行了研究,建立了一组新型的点价自相关拓扑指数A、B、C、D;首次将该指数用于除草剂氯喹酸酯类化合物的定量构效关系研究中,建立了很好的定量构效关系方程,综合分析所有的QSAR结果设计出了潜在的新型除草剂氯喹酸烯丙酯。

According to the specific features of AEC industry and info levels of AEC product, concepts of drawing cell, granularity of DC object and collaborative links are introduced to realize the CAD info integration, which maps the geometrical and topological constraints of product info into inner-correlation and outer-hyperlink of DCO.

文中针对工程设计的特点和工程产品的信息结构层次,通过"图元对象"概念的引入、图元对象粒度的建立和协同链接集成,在图元对象的内部关联和外部链接两个层次上建立了工程产品CAD信息集成模型。

In this paper,the notion of anti-fuzzy number is introduced in the topological vector space constructed by Goetschel and Voxman, anti-fuzzy number space is established,and some basic properties are discussed.

本文在Goetschel和Voxman所建立的拓扑向量空间中引入了反模糊数的概念,并建立了反模糊数空间,讨论了有关的基本性质。

The process of setting up the ship form main dimensions is mainly relied on the multivariate and stepwise regression in the past which based on the massive subsistent data including the main dimensions, Light Weight, storage capacity, stability and total cost and so on.

船型主尺度要素的建立,以前主要采用的是基于数理统计理论的回归分析方法,如多元回归分析方法和逐步回归分析方法等,它是建立在大量现有实船数据的基础之上,对船型主尺度要素、空船重量、舱容、稳性和造价等要素进行统计回归。

The phase space reconstruction theory of chaotic dynamic system, in combination of the non-linear reflecting and pan-capacity of neural network, can be used to establish the prediction model; and a kind of new prediction method is suggested to realize the complete tracing of phase point evolution process and to predict "the price nails", whereby improving the prediction accurateness and effectively solving the problem of negative prediction, with the satisfactory results obtained.

采用混沌理论预测系统边际电价针对我国电力市场电价变化特点,利用电价和负荷时间序列的混沌特性,重构准确的电价序列相空间,通过跟踪相空间相邻相点的演化趋势,建立基于快速BP网络的电价预测模型,对我国川渝电网电价进行预测,取得良好效果利用混沌动力系统的相空间重构理论,结合神经网络的非线性映射和泛化能力建立预测模型,提出一种新的预测方法实现了相点演化过程的全局跟踪,对"价格钉"进行预测,提高了预测精度,有效解决了负预测问题,得到满意的结果。

From the theory of phase transformation and thermal elastoplastic, and based on experimental data of laser quenching, a non linear coupling heat conduction equation considering phase transformation, temperature field and variable physical properties can be estabilished.

从相变理论和热弹塑性理论出发,并结合激光淬火实验资料,建立了考虑相变过程、温度场和变物性系数的非线性耦合热传导方程;建立了相变组织与材料性能的数值计算模型。

Under the stochastic demand, one of the key problems for RMS design is how to design the capacity scalability and storage volume. Based on queuing theory, stochastic market demand model for single product family and production model of manufacturing systems were built. The queuing model and the state probability transition graph of RMS were given.

基于排队论方法,建立了单零件族随机市场需求模型与可重构制造系统的排队模型,给出了RMS的排队模型与状态瞬时强度转移图,建立了平稳条件下系统的概率平衡方程,得到了RMS与柔性制造系统的性能指标。

In order to look for fast calculation model of a linear oscillation motor, which can express the transitive relation between parameters and performance. The basic mathematic model of a linear oscillation motor is established by finite analysis method and the regression modeling method for the support vector machines is introduced. Then, the SVM calculation model is set up. A shortcut online calculation method is provided for the process of the parameter optimization of linear motors.

为了寻找反映直线振荡电机参数与性能输入输出传递关系的快速计算模型,利用有限元分析法,建立了直线振荡电机非参数建模的基本数据计算模型,根据基本数据计算模型,引入支持向量机(Support Vector Machines, SVM)非参数回归建模方法,建立了用于直线振荡电机参数与性能之间输入输出传递关系的SVM计算模型,为电机参数优化过程提供了方便快捷的在线计算方法。

This article studies based on the shortest path city public transportation intelligence inquiry system, first aims at the city public transportation line network chart establishment mathematical model; Then research based on above mathematical model database creation method and corresponding algorithm design, with take Dijkstra algorithm as foundation, based on path shortest public transportation line inquiry algorithm, and through simple analog data confirmation algorithm validity; Finally brief introduction according to this thought design realization city public transportation intelligence inquiry system.

研究基于最短道路的城市公交智能查询系统,首先针对城市公交线路网络图建立数学模型;然后研究基于上述数学模型的数据库建立方法和相应的算法设计,和以Dijkstra算法为基础的、基于道路最短的公交线路查询算法,并通过简单模拟数据验证算法的有效性;最后简要介绍按此思想设计实现的城市公交智能查询系统。

The paper mainly concerns about:(1)Proposing the idea of completing the job using GIS software by discussing deficiency of the traditional transportation job;(2)Discussing the transportation plan algorithm and the flow, in this foundation, designing the transportation model programming realization flow chart;(3)With the comparison of the domestic and foreign GIS software platform, determining ArcGIS Desktop which has large drawing edit and spatial analyse functions as the development platform of transportation planning;(4)In the data organization and the database establishment, by using the recent object-oriented spatial data— Geodatabase and UML, completing the system database design and establishment, including spatial database, attribute database as well as transportation network database

详细研究内容如下:(1)论述了传统交通规划软件存在问题,提出了利用GIS平台开发交通规划系统的基本思想;(2)论述了交通规划的算法和流程,在此基础上,设计了交通模型编程实现的流程图;(3)通过比较国内外GIS软件平台,选定了具有强大图形编辑和空间分析功能的ArcGIS桌面版为交通规划系统的开发平台;(4)在数据的组织和数据库的建立上使用新的面向对象的空间数据—Geodatabase,并利用统一建模语言UML完成了系统数据库的设计与建立,包括空间数据库,属性数据库以及交通网络数据库;(5)论述了系统编程实现的基本方法,在ArcMap下采用VBA编程方法自由地定制了系统界面;(6)利用ADO Data和数据网格控件存取交通规划系统预测功能所需的数据库;(7)采用VB对ArcObject控件扩展开发方式,实现系统功能的开发,即利用COM技术的扩展性在VB中创建ActiveX动态链接库来实现特定的系统功能,并集成在ArcMap中运行;(8)系统完成了交通发生预测、交通分布、缓冲区分析、道路的网络分析、公交

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If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了,请告诉我,我会帮助你摆脱困境,真的,请联系我啦!

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放,就是一个这样的例子。

Well, Jerry would rattle off all the details of that movie.

那么,杰瑞会急促背诵那部电影所有细节。