比方说，鼠标上下移动变换成沿一个轴向上的移动，而45度角的拖动常用于表示另一个轴上的运动。
Typically, up and down mouse movements translate into movement along one axis , whereas 45-degree-angle drags are used for each of the other two axes.
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。
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.
对于地球极表象为直线的投影，本文运用对偶变换和广义轴位变换，得出了它们的几种新款式。
This paper obtains some new types by using dualistic transformation and generalized transformation of axis, the projections in straight line for earth pole.
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