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《Journal of Engineering Graphics》 1996-01
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THE PERPENDICULAR PROBLEMS IN FOUR-DIMENSIONAL DESCRIPTIVE GEOMETRY

Dong Peipei Liu Li Tianjin Institute of Science and Technology  
By taking the strategy of uniting geometry with algebra and utilizing the principle that the dot product of two perpendicular lines is zero, all the perpendicular problems encountered in four-dimensional space are systematically discussed. Conclusions for each situation are given.
【CateGory Index】: TH126
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【References】
Chinese Journal Full-text Database 5 Hits
1 Yu Zhen (Deptartment of Basic Courses,Shandong Institute of Architecture and Engineering, Shandong Jinan 250014);Relationships Between Two Three-dimensional Spaces in Four-dimensional Descriptive Geometry[J];JOURNAL OF SHANDONG INSTITUTE OF BUILDING MATERIALS;2000-01
2 YU Zhen (Department of Basic Courses,Shandong Institute of Architcctonic and Civil Engineering,Shandong Jinan 250014);Relationships Between Line and Three-dimensional Space in Four-dimensional Descriptive Geometry[J];JOURNAL OF SHANDONG INSTITUTE OF BUILDING MATERIALS;2000-02
3 Yu Zhen(Dept. of Fundamental Courses, Shandong Institute of Architecture and Engineering );THE PROBLEMS OF DISTANCE BETWEEN A POINT AND THREE-DIMENSIONAL SPACES IN FOUR-DIMENSIONED DESCRIPTIVE GEOMETRY[J];JOURNAL OF SHANDONG INSTITUTE OF ARCHITECTURE AND ENGINEERING;1997-04
4 Yu Zhen (Dept. of Fundamental Courses, Shandong Institute of Architecture and Engineering);THE CURVE PROBLEMS IN FOUR DIMENSIONAL DESCRIPTIVE GEOMETRY[J];JOURNAL OF SHANDONG INSTITUTE OF ARCHITECTURE AND ENGINEERING;1998-03
5 Yu Zhen (Dept. of Fundamental Courses, Shandong Institute of Architecture and Engineering,Jinan250014);THE DISTANCE PROBLEMS BETWEEN A LINE AND A LINE IN FOUR DIMENSIONAL DESCRIPIVE GEOMETRY[J];Journal of Shandong Institute of Architecture and Engineering;1998-04
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 LI Cui hua (School of Art Engineering,University of Shenyang,Shenyang Liaoning 110014,China);Overcoming the Diagram Problem in Painting Geometry by Using Perspective Similar Reflecting Corresponding Method[J];Journal of Anshan Teachers College;2001-03
2 GU Yan-hua~1,YU Xiang-hui~2,HOU Hong-sheng~1,WANG Hui-xia~3(1.Mechanical Science and Engineering Institute,Jilin University,Changchun 130025,China;2.Mechanical Engineering College,Changchun University,Changchun 130022,China;3.Department of Mechanical and Electric Engineering,Changchun Automobile Industry Institute,Changchun 130011,China);Geometry analysis on the ultraright point of intersection curve of two cones with intersectant axes[J];Journal of Northeast Normal University;2006-04
3 Yao Zhongmei, Zhang Wenbing, Zhang Weiyuan (College of Fashion, China Textile University, Shanghai, 200051);Study on Sleeve Cap Model and Structure Design Method[J];;1999-06
4 LI Cui hua ( Art Engineering College of Shenyang Univ., Shenyang 110014,China);Solving graphic problems in descriptive geometry by using oblique projection method[J];JOURNAL OF DALIAN INSTITUTE OF LIGHT INOUSTRY;2000-03
5 Dai Zhiguo ,Cao Xueyun(Dept. of Mach. Eng., Dalian Inst. of Light Ind., Dalian, 116034);Special Points on Intersecting Line of Two Norotationtal Surfaces[J];JOURNAL OF DALIAN INSTITUTE OF LIGHT INOUSTRY;1998-01
6 Zhang shiqing;Standard Universe Model of Three—Dimensional Projective Geometry[J];;1991-02
7 Dai Wei et al;Analysis of Geometric Parameters in Mathematic Model for Sleeve Flat Pattern[J];Journal of Textile Research;2002-04
8 Pi mingzhi;Lei yuanxue Hua zhong university of Scicnce and Technology Wei xiu ting Shandong Institute of Agricultural Mechanization;The Geometry Model Method(GMM) for Multi-objective Linear Programme Problcms[J];Journal of Engineering Graphics;1989-01
9 CHEN Dong-xiang WANG Duo WANG Jin-min (Tianjin University, Tianjin 300072, China);Applying Spherical Trigonometry Method to Establish the Interconversion between 3D Rotation Transformation Parameters[J];Journal of Engineering Graphics;2001-04
10 SHANG Tian-cheng(School of Management, Tianjin University, Tianjin 300072, China);The Rotation Axis and Angle in the Theorem of D' Alembert[J];Journal of Engineering Graphics;2002-04
【Co-references】
Chinese Journal Full-text Database 1 Hits
1 Yu Zhen (Deptartment of Basic Courses,Shandong Institute of Architecture and Engineering, Shandong Jinan 250014);Relationships Between Two Three-dimensional Spaces in Four-dimensional Descriptive Geometry[J];JOURNAL OF SHANDONG INSTITUTE OF BUILDING MATERIALS;2000-01
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 YU Zhen (Department of Basic Courses,Shandong Institute of Architcctonic and Civil Engineering,Shandong Jinan 250014);Relationships Between Line and Three-dimensional Space in Four-dimensional Descriptive Geometry[J];JOURNAL OF SHANDONG INSTITUTE OF BUILDING MATERIALS;2000-02
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