摘要
三基面体系中的4种情况是形成方向和位置唯一固定的依据,证明了那种认为此4种情况中基面存在超越和重复的观点是错误的.
The four situations in the three basic projection planes are the only certifications to produce the direction and location, those who think that in these four situations projection planes may surplus is wrong.
出处
《山东理工大学学报(自然科学版)》
CAS
2007年第2期108-110,共3页
Journal of Shandong University of Technology:Natural Science Edition
关键词
位置度
三基面体系
基准平面
基准轴线
自由度
location
three projection planes system
datum plane
datum axis
degree of freedom