系统内冗余或重复数据的度量，表明存储和潜在性能问题效率低下。
1 DC = 0.688 RF
1 RF = 1.455 DC
例子:
将15 差分编码转换为可靠性因素：
15 DC = 10.313 RF
| 差分编码 | 可靠性因素 |
|---|---|
| 0.01 DC | 0.007 RF |
| 0.1 DC | 0.069 RF |
| 1 DC | 0.688 RF |
| 2 DC | 1.375 RF |
| 3 DC | 2.063 RF |
| 5 DC | 3.438 RF |
| 10 DC | 6.875 RF |
| 20 DC | 13.75 RF |
| 30 DC | 20.625 RF |
| 40 DC | 27.5 RF |
| 50 DC | 34.375 RF |
| 60 DC | 41.25 RF |
| 70 DC | 48.125 RF |
| 80 DC | 55 RF |
| 90 DC | 61.875 RF |
| 100 DC | 68.75 RF |
| 250 DC | 171.875 RF |
| 500 DC | 343.75 RF |
| 750 DC | 515.625 RF |
| 1000 DC | 687.5 RF |
| 10000 DC | 6,875 RF |
| 100000 DC | 68,750 RF |
规则