短語(yǔ)詞組短語(yǔ)the point at infinity 無(wú)限遠(yuǎn)的點(diǎn)critical point at infinity 無(wú)窮遠(yuǎn)奇點(diǎn)singular point at infinity 無(wú)窮遠(yuǎn)奇點(diǎn)circle point at infinity 無(wú)窮遠(yuǎn)圓點(diǎn)at infinity point 無(wú)窮遠(yuǎn)點(diǎn) 返回 point at infinity