名词
中文翻译：投影代数集
同义词：
['projective set', 'projective space', 'projective geometry']
例句：
-
1. In projective geometry, the shape of a figure is determined by its points and lines.
在射影几何中，一个图形的形状由其点和线决定。
-
2. The projective geometry of a plane is used to study the properties of parallel lines.
平面的射影几何用于研究平行线的性质。
-
3. In projective geometry, the distance between two points can be calculated using the Pythagorean theorem.
在射影几何中，可以通过勾股定理计算两点之间的距离。