circular points at infinity中文什么意思

虚圆点

• circular:    adj. 1.圆的，圆[环]形的。 ...
• point:    n. 1.尖头，尖端；尖头器具；〔美 ...
• infinity:    n. 1.＝infinitude. ...

百科释义

In projective geometry, the circular points at infinity in the complex projective plane (also called cyclic points or isotropic points) are