This paper presents a method of arc projective transformation of the fundamental geometric elements on a sphere, and sets up an are projective system for three axial and two axial correspondently.
本文提出了一种球面上基本几何元素的园弧投影变换方法，并建立了三轴及对应的二轴园弧投影体系。
A great transformation from theological type to secular one took place in Axial Period of Chinese culture.
中国文化形态在轴心期发生了第一次大转型：由神学文化形态转变为世俗文化形态。
Main characteristics of new selected mine axial fans after transformation is introduced, comparing with the old fans, preferable effect of new ones is obtained after transformation.
介绍了改造后所选用的新型矿井轴流通风机的主要特点，与老式风机做了对比，证明了改造后的风机取得了较好效果。
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