At present, more integral fracturing design research focus on five - spot well network and nine - spot well network but little on rhombus anti - nine - spot well network.
目前，在整体压裂优化设计方面，人们对五点井网和反九点井网的研究较多，而对菱形反九点井网的研究较少。
Rhombus thought model is analyzed in the paper, and it is also applied into the design of cleaner.
分析了菱形思维模型，同时将它用在吸尘器设计实例中。
The paper raises a qualitative and quantitative combined conceptual design method, which is based on multi-stage rhombus thought model.
论文率先提出一种基于多级菱形思维模型的复杂产品定性定量相结合的概念设计方法。
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