【摘要】 从投影方程组入手对波尔凯－许华滋定理、高斯定理、霍尔伯格仿射图等轴测投影的基本理论进行了全面的评价与探讨，并提出了证明高斯定理的一种新方法，使证明过程更简单、直接．更多还原

【Abstract】 This paper presents an overall evaluation and some comments on the basic theories of axonometric projection such as PahlkeSchwarz Theorem, Gauss Theorem and Hohenberg Affine Picture by means of sets of projection equations, and gives a new simplified theory for proving Gauss Theorem.更多还原