This panel shows the exact SQL statement PDI will use to retrieve data from the performance data selected.
2
针对零件库中复杂结构零件难以分类和检索问题,提出一种基于概念零件结构定性模型的零件设计可重用方法。
Aiming at difficult sorting and retrieving complicated structure parts in part lib, a method for part design by using conceptual part structure qualitative models is presented.
3
通过文献检索和焦点组访谈等定性研究方法,印证了定量调查的结果。
By literature review and focus group discussion, qualitative study justifies the quantitive result.