However, problems still exist in researching work such as the unbalanced research distribution, improper methods and theories, historicaldatacollection.
One strategy is to present a collection of historicaldata 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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Second, the datacollection form is the historical record of the multitude of decisions (and changes to decisions) that occur throughout the review process.