C | C1-C9 (0.5) | 浅标点 |
E | E2 (2),E5 (5),E8 (8),E11 (11) E’2 (2),E’5 (5),E’8 (8),E’11 (11) | 深标点 |
F | F3 (3),F6 (6),F9 (9),F13 (13) F’3 (3),F’6 (6),F’9 (9),F’13 (13) | 深标点 |
G | G4 (4),G7 (7),G10 (10),G15 (15) G’4 (4),G’7 (7),G’10 (10),G’15 (15) | 深标点 |