Dandong power supply bureau distribution management information system has adopted three - tiered architecture , workflow technology , space data engine technology , internet / intranet technology , etc , consider practical as building principle , based on products such as arc / info from esri company for its development platform , to make it network , graphics and data integreted 丹东市供电局配电gis管理信息系统采用三层结构,利用工作流技术、空间数据引擎技术、 internet / intranet等技术,从实用化的角度出发,在esri公司的arc / info等产品平台的基础上实现了配电信息化管理的网络化、图数一体化。
Explorative study is made on several concrete problems in buildup of underground gas storage in daqing oil region , including building principle , determination of production - injection ability of gas well , operating mode of gas storage , gas well placement , developing index calculation and gas storage behavior monitoring etc . , all these have important referential significance to the buildup of gas storage 本文对大庆油区地下储气库建库中几个具体问题进行了探索性研究,其中包括储气库建库原则、气井注采能力的确定、储气库运行方式、气井部署、开发指标测算以及储气库动态监测等,所涉及的内容对储气库的建设具有重要的参考意义。
This thesis introduces , in a more detailed way , the background to put forward the customer ' s service system , its significance , relative technology both at home and abroad , the feasibility analysis of the project , the system building principle , the practical solution , system structure and chief function adopted by the customers system 本文详细介绍了联通大客户项目提出的背景、意义;相关领域国内外技术现状;项目的可行性分析;项目的技术难点分析;系统的建设原则;系统实施方案;大客户系统采用的体系结构;系统实现的主要功能。
Thirdly , the functions of reversibility of the built bar code and changeableness of the color of bar code have been improved by combining various build algorithms with the methods of software programming . as vc + + 6 . 0 is used as the design platform for the generative system of bar code , and the ways of software programming have been learned and the build principles of program frame as well as the coding principles of menu , dialog box , toolbar , . document and view have been applied to finish the software finally 再次,是把各种算法与计算机软件编程知识相结合,对常用软件条码方案中存在的生成条码不可修改、条码颜色太过单一这两点不足之处进行了相应的改进;本课题选用vc + + 6 . 0作为条码生成系统的设计平台,系统学习了该编程平台编写软件的方法,并应用程序框架的执行原理,菜单、对话框、工具栏以及文档视图的编写原理,最终实现了条码生成系统软件化过程。
In chapter 4 , the model - building principle and calculating method of finite element dynamic analysis for large - sized assembled structure are discussed . the substructure model for hydropower house vibration analysis is established to obtain precise modal of generator floor . the harmonic vibration assumption is adopted to calculate house structure ' s dynamic response from hydraulic excitation force of hydraulic turbine generator unit 第四章讨论了大型组合结构有限元动力分析的建模原则和计算方法,建立水电站厂房振动分析的下部结构模型,对岩滩厂房进行整体模态分析,较准确地得出发电机层楼板自振特性;同时引进简谐振动假定,迸行了机组水力振动作用下的厂房结构的动力响应分析。