根数 | 1 | 2 | 3 | 4 | 6 | 4 | 6 | 8 | 9 | 12 |
中心 距离(S) |
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S = 1 d | 1.00 | 0.90 | 0.80 | 0.82 | 0.80 | 0.82 | - | - | - | - |
S = 2 d | 1.00 | 0.90 | 0.95 | 0.90 | 0.95 | 0.80 | 0.85 | 0.80 | 0.80 | |
S = 3 d | 1.00 | 0.98 | 0.98 | 0.96 | 0.98 | 0.90 | 0.90 | 0.85 | 0.85 |