Chapter one explained the motive of the paper by means of author ' s reflect on logistics " popularity , and then formulize the applicability of synergetics theory in applying to logistics research and difficulty in the research . chapter two was a systematically overview of synergetics theory 第一章通过作者对“物流热”所产生的两点思考来提出问题，说明研究的动机、研究理论的确定依据，以及研究中的难点和本文所作的工作，为下文作铺垫。
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Virtual reality technology can provide " participants " with a feeling of being personally on the scene . as a main actor in the virtual environment , userscan control any objects in the virtual environment arbitrarily and can get reaction in time . in the hyperspace of the information , he can get acknowledge with their own percipience and cognition , and , seek the solutin , and form the new conception . the association of the virtual reality technology and java technology intensify the interaction between the users and viryual reality technology . with the interface provided by java , the user can control any objecs and change the attributes ( such as position , angle , color and etc . ) . this paper formulizes application of the virtual reality technology in the system of the building seilling which uses the real three dimensions models to replace of static picture ' s and word ' s description . in the process of the practice , the paper analyses the difference between javascript , java claa and java applet , and formulize the their applications in this system 用户在多维信息空间中，依靠自己的感知和认知能力全方位地获取知识，发挥主观能动性，寻求解答，形成新的概念。虚拟现实技术与java技术的结合增加了虚拟现实技术与用户的交互功能，用户可以通过java提供的界面，操纵场景中的任何物体，并改变相应的属性(如：位置，角度，颜色等等) 。本篇论文阐述了虚拟现实技术应用在售楼系统中，用真实的三维模型来代替原有的静态图片及文字描述，在实践过程中，分析了javascript ， java类，及javaapplet实现功能中的利弊，分别阐述了它们在本系统中的应用，从理论上讲，本课题所研究的虚拟现实技术不只适用于售楼系统的电子商务中，同样可用于军事和演习、医学、教育、娱乐和工程设计等领域。
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This paper formulize the foundational principle and development of blind equalization technique based on neural network . the traditional neural network blind equalization algorithms have many advantages and disadvantages . through analyse these disadvantage , two kinds of new blind equalization algorithm based on neural network is proposed 本文首先对基于神经网络的盲均衡技术原理及发展进行了阐述，分析了原有神经网络盲均衡算法的优缺点，然后对原有算法的缺陷进行改进，提出了两类新的神经网络盲均衡算法。
