A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments . with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable , a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line , simulation results show this method is effective . finally , the whole process of airport target recognition is presented and the result images are also given 使用分形方法提取目标的特征，在知识指导下，提出了一种基于目标特征模型的降维的形态学分形维数计算方法，对传统分形方法进行了改进，从理论上推证了算法的合理性，并对算法进行了仿真分析；针对传统hough变换无法获得线段端点和长度信息的局限性，提出了一种基于目标特征先验知识的hough变换融合策略，通过引入目标先验知识，可以有效地获得直线信息；对信息多而复杂的机场目标采用基于知识的目标识别方法，使用置信度模摘要型实现不确定推理，对目标进行识别判断，将知识贯穿于整个识别过程中，对目标进行了有效地识别。
Based on the principle and method of computing visualization , an easily implementing procedure for dynamic graphic description is proposed . a two - dimensional model of jinhuai bridge has been established in the paper with opengl as graphic tool , and a high - resolution animated cartoon simulation of jinhuai bridge under the moving vehicles has been accomplished 并以opengl为图形工具，建立津淮刚架拱桥的二维模型，对计算得到的大量数据进行合理处理和可视化表达，完成了车辆作用下津淮刚架拱桥的动力响应时程分析的计算机仿真和动画显示，有助于对车桥复杂振动过程的理解和认识。
And managing directors , a ban on free drinks and measures to help gamblers " casino and bingo operators must introduce measures to control continuous and repetitive play , such as designing sites and implementing procedures to encourage breaks in play and making customers aware of the time they have spent gambling , " said the gambling commission 赌博业委员会说，赌场经营者必须采取措施控制无节制的赌博行为，比如，他们得设置一些场地安排一些程序，鼓励在游戏中间停下来休息，同时，赌场得让顾客意识到他们在赌场里耗了多久。
Combining the actual situation and relationship between kunming and its secondary cities , this article has made a design of the overall consideration to develop the secondary cities , guiding principle and implement procedure , and analyzed the function and characteristics , the property developing strategy and current situation of anling , yiliang and songmin as secondary cities , then put forward a " three steps going " strategy : first step ; from 2001 to 2005 , to put anling city into construction as main point ; second step : in 2005 , to start the construction for yiliang and establish the city together with canceling the county ; third step ; in 2010 , to start the construction for songmin and establish the city together with canceling the county 结合昆明与次级城市的实际情况与相互关系，本文对次级城市发展的总体思路、指导原则和实施步骤进行了构想，并对安宁、宜良、嵩明次级城市的职能与性质定位、产业发展战略、现状情况分别进行了分析研究，提出了“三步走”战略：第一步： “十五”期间，重点建设安宁市；第二步： 2005年，启动宜良县、撤县设市；第三步： 2010年，全面启动嵩明县，撤县设市。
