简要介绍了软件工程中的需求阶段、设计阶段、编程阶段、检验和测试阶段、维护阶段，并对其中的一些问题作了探讨。
This paper introduces the requirement phase, design phase, programming phase, test phase and maintenance phase of software engineering, and analyses some problems in them.
就开发软件而言，开发过程分成5步：需求分析及详细计划书，设计，编程，测试和维护。
For developing a software product, the development process is divided into5stages:Requirements Analysis &Specification, Design, Coding, Testing, and Maintenance.
还要学习各种编程语言，以及如何设计，分析和维护软件等。
You?ll learn a variety of programming languages and how to design, analyze and maintain software.
大多数软件产品的生命期主要花费在规范，设计和维护而不是编程。
The majority of software products mainly spent his life in the specifications, design and maintenance rather than programming.
面向对象编程是确保大型电力系统分析和应用软件易于维护、升级和移植的有效方法。
Object Oriented Programming (OOP) technology makes the maintenance, upgrading and transplant of analysis and application software for large electric power system easier.
盒素库技术是将盒体、盒盖、盒底看作构成纸盒的基本元素，在编程过程中分别归入不同的模块，使软件具有设计灵活、维护开发简单等特点。
The carton element base takes the carton body, cover and bottom as the basic elements of carton, which belong to different modules and make the software design flexibly and maintain easily and so on.
该软件采用的是面向对象的编程方法，扩展性和可维护性强，具有友好的用户界面，操作简单。
Object Oriented programming methods are used, which make this software expansile and maintainable with a friendly interface easy to operate for clients.
同时在目前运行的微机保护装置的软件的编程上采用的传统的流程图线性程序，造成了软件的不易维护，升级换代困难等问题。
And traditional flow chart linearity programme is adopted in most microprocessor-based protection device for the present, which makes some problems such as hard maintenance, hard upgrade and etc.
为了增强软件系统的可读性和维护性，软件编程均采用模块化的程序设计。
In order to enhance the readability and maintainability of software system, the design of software adopts modularization programming.
软件的开发是面向过程的，强调模块化编程，开发周期短，可维护性好，并体现了软件的实用性和通用性。
While the exploiture of software faces to the process which emphasizes the modularized program, and it has short exploitation period and good maintainability which embodies software's practicability.
软件的开发是面向过程的，强调模块化编程，开发周期短，可维护性好，并体现了软件的实用性和通用性。
While the exploiture of software faces to the process which emphasizes the modularized program, and it has short exploitation period and good maintainability which embodies software's practicability.
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