This paper obtains some new types by using dualistic transformation and generalized transformation of axis, the projections in straight line for earth pole.
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。
Only in the pole axis theory, do the point and the line become the endogenetic variable and they form the two indispensable factors of constructing spatial structure.
只有在点—轴系统理论中，点、线才都是内生变量，是构建空间结构模型的不可或缺的两大要素。
It turns around its axis, an imaginary line that goes straight through the middle of the earth from the North Pole to South Pole.
它绕着自己的轴旋转；地轴是一条想像的穿过地球中央的、从北极到南极的线。
应用推荐