Eustachian geometry

• 欧氏几何

Eustachian geometry的用法和样例：

例句

1. The ideal element is a bridge that Euclidean space geometry transits to projection geometry, a cornerstone in project geometry.
   摘要理想元素是欧氏几何过渡到射影几何的桥梁，是射影几何的基石。