One strategy is to present a collection of historical data from similar projects along with an estimate.

一个策略是把评估和类似项目的历史数据集合一起呈现。

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Then it argues the strategy, methodology and key techniques which are used in collection, disposing, analysis, management and querying of data .

探讨该系统在实现数据采集、处理、分析，管理及查询功能方面的策略、方法及所采用的关键技术。

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Then it argues the strategy, methodology and key techniques which are used in collection, disposing, analysis, management and querying of data .

探讨该系统在实现数据采集、处理、分析，管理及查询功能方面的策略、方法及所采用的关键技术。

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