Reliable software cost estimation is not only about using the right tools and techniques.
软件成本评估的可靠性不仅仅与使用正确的工具和技术有关。
Empirical estimation of cost functions requires statistical techniques which relate the cost of constructing or operating a facility to a few important characteristics or attributes of the system.
利用基于经验的成本函数估算成本需要一些统计技术，这些技术将建造或运营某设施与系统的一些重要特征或属性联系起来。
Present techniques on software cost estimation are summarized and compared.
对当前流行的软件成本估算技术进行分析和比较。
Present techniques on software cost estimation are summarized and compared.
对当前流行的软件成本估算技术进行分析和比较。
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