基于设计的研究（Design-based research）可能在很早就应用于教育，但是直到上世纪90年代初才开始引起关注，DBRC(2003)指出，基于设计的研究是这样的研究：
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介绍了基于设计的研究 Design-Based Research ; DBR
不过，这一基于任务的语言学习需要研究者设计系统时做出一些调整。
But the idea — known as task-based language learning — required a few changes as the researchers were designing the system.
本部分介绍案例研究，基于了解TWS Operational Interface(今后称为TWS Web UI)如何能够被再设计以更好地满足市场的工作。
This section introduces the case study, based on an effort to understand how the TWS Operational Interface (hereafter referred to as the TWS Web UI) could be redesigned to better fit the market.
研究小组设计了一个基于计算机的分析程序，确定了每天减少3克盐的摄入量对于心脏病和死亡率的影响。
The team conducted a computer-based analysis to determine the impact of a 3-g-per-day reduction in sodium intake on rates of heart disease and death.
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