hyperbolic pencil of circles 双曲性的圆束

adjoint pencil of circles 伴随圆束

elliptic pencil of circles 椭圆型圆束

coaxial pencil of circles 共轴圆束

parabolic pencil of circles 抛物型圆束

conjugate pencil of circles 共轭圆束

line-projective pencil of circles 类射影对应圆束

like-projective pencil of circles 类射影对应圆束

Pencil of coaxal circles 阿波罗尼奥斯圆