逆向系统

In system of sth resembling a net of converse content drift net, the design arrangement that reclaims to central optional location locates and carry method is two serious research problems, before research is this two problems consider alone, cause a system to join to be perfected not quite.

在逆向物流网络系统中，回收中心的选址定位和运输路径的设计安排是两个重要的研究问题，以往的研究都是将这两个问题单独考虑，致使系统衔接不够完善。

This paper discussed the application of EIA in reverse logistics, including evaluation of environmental performance that reverse l...

文中论述了环境影响评价在逆向物流中的应用，包括估计逆向物流的环保意义，以及控制逆向物流系统的环境绩效。

The temporary polynomial is exploited to save the intermediate result, and evaluations of polynomials are performed in the large-scale evaluation.

在上述研究的基础上，分析了逆向工程系统的开发方法和包含的软件模块，开发了软件原型系统。

In this system, the combined orientation model of DTWADGPS is established using the WADGPS, odograph, speedometer and roscope, etc. And the information of the multi-sensor is processed using the method of data fusion, which is used to resolve the accuracy and blind area problems of train position Combining the technology of GIS and GSM-R and the Expert System, the system of intellectualized train dispatch and management is established based on train positions and velocities acquired accurately.

系统采用WADGPS、里程表、车速仪、陀螺仪等构建分布式逆向WADGPS组合定位模型并对多传感器信息进行融合处理，解决列车定位的精度和盲区问题；在精确获取列车位置和速度的基础上，结合GIS和GSM-R技术和专家系统构建列车智能调度管理系统。

To offer a direct path for integration of reverse engineering and CAx system,machined features recognition based point cloud data was put forward.

为了提供逆向工程系统和CAx系统集成的直接通道，提出了针对点云数据建立属性邻接图的算法，并利用属性邻接图实现加工特征自动识别。

Referring to the construct of the common experts system, the frame and function of our system was determined to extend the OPS83 ratiocinative method with converse ratiocinative method, and the ratiocinative mechanism based on target-driver controlling was realized. In accordance with the complexity, uncertainty and confusion of chip forming and chip-breaking process, We suppose imprecise ratiocinative mechanism on the basis of confusion mathematics theory, and found prediction system of the chip forming and chipbreaking for the first time.

研究确定了切屑形成与折断过程预报系统的结构框架，参照一般的专家系统构成原理，确定了本系统结构与功能；扩充了OPS83的推理方式，增加了逆向推理功能，实现了基于目标驱动控制的推理机制；针对切削过程中切屑形成与折断过程的复杂性、不确定性和模糊性，运用模糊数学理论，设计了不精确推理机制；首次建立了切屑形成与折断过程预报系统。

In chapter 4, basing theories and methods of scientific visualization, and artificial neural network BP algorithm, we integrate the Visual C++, OpenGL graphics library and Excel VBA technique to develop the program of artificial neural network and to make the BP algorithm visually, this program works can be divided into four parts: Using C language to develop program about BP algorithm; Using Visual C++, develop the GUI Interface, make input parameter visually; Using OpenGL graphic technique to display the training sample point in three dimension; at last using Excel DDE technique display the error graphic tables in Excel system In chapter 5, on the view of engineering application, we establish new method of surface reconstruction basing artificial neural network, develop interface program between module and commercial CAD/CAM system, meantime deeply discuss some key problems, for example, setting up the base plane, using the API technique, cutting and editing surface boundary, and also discuss the more compliant problem: how to intersect surface, at end we finish the work of translation from our surface reconstruction module to commercial CAD/CAM system, then make reverse engineering system basing artificial neural network more useful.

第四章基于科学计算可视化理论，依据人工神经网络BP算法理论模型，综合Visual C++，OpenGL图形库以及Excel VBA等多项软件开发技术，编制了人工神经网络程序，实现了BP算法的可视化映射。具体工作分为四部分：利用C语言实现人工神经网络BP算法；利用VisualC++的GUI技术开发图形用户界面，实现参数设置可视化；利用OpenGL图形技术进行三维映射，显示学习样本及训练样本点；利用微软电子表格DDE动态数据交换技术，在Excel上动态显示学习误差曲线图。第五章从工程应用的角度出发，提出了一种新的基于人工神经网络算法的曲面裁剪重构方法，完成了曲面重建模块与通用CAD/CAM系统的接口设计工作，对其中的若干关键问题进行了深入讨论，例如基平面设定、API技术的应用、边界裁剪等问题，同时，对曲面计算中较为困难的曲面相交问题也进行的专门探讨，最终完成了曲面重建模块向CAD/CAM系统的数据传输工作，使人工神经网络逆向工程系统趋向实用。

Information is shared and converse the trends that supplies chain recombines, right converse supply catenary system to distributing, the character of different compose raised special requirement.

信息共享和逆向供给链的动态重组，对逆向供给链系统分布、异构的特性提出了非凡要求。

In recent years, some derived yeast two-hybrid systems have been established, including yeast two-hybrid dual bait system, reverse two-hybrid system, membrane-associated two-hybrid system (SRS, TOPIS and split-ubiquitin base two-hybrid system) and transcriptional factors-associated two-hybrid system(RTA system and PolⅢ based two-hybrid system), which promise to overcome some limits and improved the sensitivities of the original yeast two-hybrid system.

十余年来，随着酵母双杂交迅速推广，不断涌现出一些衍生系统，其中包括酵母双杂交的二元诱饵系统，逆向双杂交系统，非转录读出特点的双杂交系统（如Sos蛋白招募系统、PI3K介导的靶蛋白识别系统和断裂-泛素为基础的双杂交系统）以及转录激活因子与其相关蛋白之间的相互作用的双杂交系统（如以polⅢ为基础的杂交系统和RTA系统）等。

Key techniques of reverse designing in the Pro/E platform are described. Conceptions of NURRS data processing and 3D-reconstruction in reverse designing are introduced.

描述了在Pro/E系统里实现逆向设计的关键部分，阐述了逆向设计中的数据处理、三维模型重构等基本概念，介绍了基于逆向设计的产品设计开发过程。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。