The software cost estimation is an essential part of the software engineering project management.
计算机软件成本估算是软件工程项目管理的一项重要工作内容。
Software cost estimation is an important process of managing software and also the difficult issue in software project planning.
软件成本估算是软件项目管理的关键步骤，也是软件项目计划的难点。
Each part of the software project estimation must use certain management methods. Appropriate management methods can raise the accuracy of the software project estimation.
软件项目估算的每一个部分都要用到一定的估算管理方法，良好的估算管理方法可以提高软件项目估算的准确度。
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