Through introducing some characteristics of work surface's similar shape projection, the application of similarity in reading and checking three-vidicon is illustrated by examples.
冯俊.正投影类似性在识读三视图中的应用[J].重庆工商大学学报(自然科学版),1999,(2): Feng Jun. Application of Orthographic Projection's Similarity in Reading Three-vidicon[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),1999,(2):