On Solving Some Problems in Descriptive Geometry by Assistant Spherical Surface[J]. Journal of Civil and Environmental Engineering, 1998, 20(5): 120-122.
DOI:
On Solving Some Problems in Descriptive Geometry by Assistant Spherical Surface[J]. Journal of Civil and Environmental Engineering, 1998, 20(5): 120-122. DOI: 10.11835/j.issn.1674-4764.1998.05.024.
On Solving Some Problems in Descriptive Geometry by Assistant Spherical Surface
several typical example were used to explain the applicaions of the method of assistant sphrical surface in this paper With such method theproblems in descriptive geometry could be solved simply.