The paper utilizes spiral development method based on business dimensional lifecycle to develop data warehouse system for equipment management.

论文利用基于业务维生命周期的螺旋式开发方法来开发设备管理数据仓库系统。

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This paper presents a new spiral development model based on data warehouse through analyzing the data warehouse technique and traditional software development model of waterfall.

文章通过对数据仓库技术以及传统瀑布式软件开发模型的分析，提出了数据仓库开发的螺旋式开发模型。

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Figure 2: Spiral model of the software development lifecycle

图 2：软件开发生命周期的螺旋模型

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Management ran a fairly loose ship, letting costs spiral out of control on a number of development projects.

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