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。
Second, the data collection form is the historical record of the multitude of decisions (and changes to decisions) that occur throughout the review process.
第二，数据收集表格是贯穿于回顾全过程的大量决策(和决策变化)的历史记录。
The test result shows: this system can accomplish the functions of the visual displaying and autosave for collection signal, inquire about historical data and report print etc.
实验结果表明：该系统完成了对所采集到的信号的形象显示和自动保存以及对历史数据的查询和报表的打印等功能。
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