DTNBNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 n.数据传送网¹⁰⁰ By using of knowledge primitive and design task, design knowledge can also be reused in multi- granule. The design task network DTN is employed to guide the automation of design process. 提出了基于知识元和设计任务的多粒度知识重用方法，并将设计任务网络应用于设计任务的自动化过程引导之中。 cnki