She chalked out a design on the blackboard.
她在黑板上画了一幅图案。
The teacher chalked out a design on the blackboard.
老师用粉笔在黑板上勾画出一个图案。
Based on the blackboard model, this paper proposes a distributed collaborative design framework.
基于黑板模型，本文提出了一个分布式模块化协同设计框架结构。
Based on the blackboard model, this paper proposes a distributed collaborative design framework.
基于黑板模型，本文提出了一个分布式模块化协同设计框架结构。
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