点间距:P1.25, P1.56, P1.667, P1.875, P1.923
点间距:P2.6, P2.9, P3.91, P4.81, P5.95
点间距:P1.25, P1.56, P1.667, P1.875, P1.923, P2.0, P2.5, P3, P4, P5
点间距: P6.67, P8, P10
点间距: P2.5, P3, P4, P5, P6, P6.67, P8, P10