The product design drawing is fusion of technique and art, is crystallization of rationality and perceptual and is unification of intrinsic structure and external performance.
产品设计绘画是技术与艺术的融合，是理性和感性的结晶，是内在结构和外在表现的统一。
2
Though frequency and structure affect Chinese Characters' identification, they have no effect on Perceptual Interference effect.
频率效应、结构方式效应的存在，而笔画效应的不显著，说明模糊汉字识别以整字识别为主。
3
The present study mainly focused on the role of topological structure and brightness contrast in perceptual organization and perceptual selection.