[1]Liu Wenhua,Solve straight -line turning surface -cone and column convergence of the "merger cutting method[J].Journal of Zhengzhou University (Engineering Science),1993,14(04):47-51.
                                
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                                    Journal of Zhengzhou University (Engineering Science)[ISSN
                                    1671-6833/CN
                                    41-1339/T] Volume:
                                    14
                                    Number of periods:
                                    1993 04
                                    Page number:
                                    47-51
                                    Column:
                                    
                                    Public date:
                                    1993-12-28
                                
                                
                                    - Title:
 
                                    - 
                                        Solve straight -line turning surface -cone and column convergence of the "merger cutting method
 
                                
                                
                                
                                    - Author(s):
 
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                                        Liu Wenhua;
 
                                    - 
                                        Henan Urban Construction Higher Specialty School,
 
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                                    - Keywords:
 
                                    - 
                                        Cone
 
                                
                                
                                    - CLC:
 
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                                    - DOI:
 
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                                    - Abstract:
 
                                    - 
                                        The study of this article proposes the "merger and cutting method", which can solve the straight lines of straight lines in a view — the penetration point of the cone and columns, and can be more widely used in the sphere method.