The knowledge repository is the natur language denotation system . we use the oop programe plus database to design it . in detail , we use oop to descibe the concept sort of nature language and database to restore the relation of word and our program 对于知识库的设计，即后台的语言知识表示系统，我们采用了程序表示和数据库结合的方法，即采用面向对象的程序设计方法对知识的概念进行表示，同时在数据库中记录词和程序的对应关系。
Firstly , introduce the design of sonar display , trace - to - trace correlation and gray scale display , develop a new method of gray scale based on signal noise ratio . and next , discuss array signal processing and image processing in order to improve the display . finally , develop a software of sonar display simulator based on object oriented programming , with which the sonar display console is simulated and the performance of sonar signal is tested 本文工作围绕如何提高声纳显示效果，介绍了声纳显示屏幕的设计方案，论述了“迹迹相关”技术、灰度显示技术在声纳显示中的应用，提出了基于信噪比的灰度级别划分方法；结合阵列信号处理、图象处理技术，本文引入了子带峰值能量检测算法、图象边缘检测算法，进一步提高了声纳检测性能；基于面向对象的程序设计方法，设计了声纳显示平台软件，为模拟声纳显示、检验声纳信号显示性能提供了仿真环境。
This paper analyses the annotated rules of the steel information of the frame column expressed in " plane method " construction drawing , sums up the expressed characteristics of the reinforcement information of the frame column , the object - oriented method is adopted to get the expressed pattern of the steel information . owing to " plane method " shop drawing steel information is expressed by geometry parameter , combine of the shop drawing and the detailed construct drawing can full express the steel information . by study of the information , this paper set up the steel parameter graph base 对“平法”施工图中框架柱钢筋信息的注写规则进行了深入的分析和研究，对完整反映框架柱钢筋的各类信息表达特点进行了归纳，在此基础上利用面向对象的程序设计方法及c + +语言建立了描述框架柱钢筋所有信息的表达模型；由于在“平法”施工图中各类构件钢筋的几何信息是一种抽象的以参数表达的信息，影响参数由图中钢筋的标注信息和标准构造详图中的构造要求确定。
According to this model , the capacity evaluation system of xi ’ an xian yang international airport was developed by utilizing the programming method of object orientation ; comparing the results of former evaluation system and that of this one , the correctness of the proposed model was verified ; the airport ’ s running status and flight delays were researched through statistics of the system , providing airport ground controllers with reasonable advices . finally , the further development of airport capacity evaluation was expatiated 根据这一模型,以西安咸阳国际机场为背景,采用面向对象的程序设计方法,开发机场地面容量评估系统;将系统评估所得结果与原有理论容量评估结果进行比较,验证了评估模型的准确性和优越性;对评估结果进行统计计算,分析机场不同空中交通流量下的运行情况及延误分布情况,为机场地面管制提供参考性意见。
The paper presents a distribution analysis software platform which is developed combining computer graphical theory and oop ( object - oriented programming ) . the platform includes three modules , the graphics module , the database module and the computation module . the graphical module can draw the key diagram of power system ; the database module can save , browse and edit the data of power systems ; the computation module can compute the power flow 本文运用面向对象的程序设计方法结合计算机图形学的知识，开发了一套可视化配电网分析软件平台，它包括用于绘制电力系统结线图的图形模块、用于保存、浏览、修改电网数据信息的数据库模块和进行配电网潮流计算的计算模块。
On the theoretical basis above , we achieve an secure electronic exchange system based ssl protocol , which use object - oriented programming design , cryptography technology and com technology . we put forward a new model - scm ( secure component model ) in our system design , which realizes a two levels authentication system by using user ' s password authentication and the public key cryptographic digital signature authentication together ; which realizes stronger and selectable encryption algorithms ; which realizes information integrity and non - repudiation . at the same time , we explore a new way which combine com and cryptography technology to implement secure electronic exchange 依据上述理论基础，采用面向对象的程序设计方法，在ssl协议的基础上，探索了利用com组件技术实现一个安全电子交易的二次加解密组件系统。在对系统的设计中提出了安全组件模型( scm ) ，该模型提供两层认证机制和浏览器web服务器双向身份鉴别。即第一通过用户口令验证；第二利用双方的公钥数字证书对握手连接信息进行数字签名验证。
The pc - based distributed control system , attached with mature configuration sofaware in industrial control is a important developing direction in the control field . the paper studies the software configuration in microcomputer - based distributed control system by means of the object oriented porgramming method supported upon the visual c + + for windows and illustrates the key technology used in configuration software . it finished the concrete programming design and research so that the software could be used in upper layer computer of the dcs 本文就利用visualc + +语言支持的面向对象的程序设计方法oop ，在windows环境下对基于微机的集散控制系统的软件组态问题进行了研究，介绍了组态软件设计的一些关键环节，做了具体编程设计工作，实现了可用于集散控制系统上位机的组态软件。
The paper begins with the research of the organization ' s current state and available resource , then demonstrates the necessity and feasibility of system development , puts forward the objective and task of the system by the analysis of whole system , fixs on this system ' s main function and structure by the structured method of top - down and delicatilization step by step , and finally uses the object oriented programming to make the concrete design 本文从系统的现行状态和可用资源的调查入手，论证了系统开发的必要性和可行性，通过对整个系统的分析，提出了系统的目标和任务，运用自顶向下、逐步细化的结构化方法确定了系统的主体功能和结构，最后运用面向对象的程序设计方法( oop )进行了具体的设计。
The algorithm of sequencable mark and description of the object for crack automatic identification is presented by means of pre - image process . on basis of visual c + + 6 . 0 developing environment , the software function of controlling of magnetic partical testing engine and the stepping - motor is realized in c + + and mfc with objected programming method . the automatic system of the camshaft of small diesel engines automatic magnetic partical testing is realized , which is the predicted goal that we would achieve 用计算机控制磁粉探伤机和步进电机的工作；解决了jpeg图象格式在windows系统中visualc + +编程环境下的压缩转换、显示和处理的问题；结合数字图象的预处理，提出了通过图象分析自动识别裂纹的顺序目标标记与描述算法；基于visualc + + 6 . 0开发环境，用c + +语言和mfc类库，采用面向对象的程序设计方法，用软件实现了对磁粉探伤机和步进电机等硬件系统的自动控制功能；实现了柴油机凸轮轴荧光磁粉探伤系统的自动化，达到了预期的目标。
The paper studied the software configuration in microcomputer - based distributed control system by means of the object oriented programming method supported upon the visual c + + 6 . 0 for windows and illustrates the key technology used in configuration software . i finished the concrete programming design and research so that the software could be used in upper layer computer of the dcs 本文就利用visualc + + 6 . o语言支持的面向对象的程序设计方法oop在windows环境下对基于微机的集散控制系统的软件组态问题进行了研究，介绍了组态软件设计的一些关键方法，做了具体编程设计工作，实现了可用于集散控制系统上位机的组态软件。
