数字系统是以一致的方式使用数字或符号来表示数字的数学符号。
1 duo = 1 gray
1 gray = 1 duo
例子:
将15 基地12（十二指肠）转换为灰色代码：
15 duo = 15 gray
| 基地12（十二指肠） | 灰色代码 |
|---|---|
| 0.01 duo | 0.01 gray |
| 0.1 duo | 0.1 gray |
| 1 duo | 1 gray |
| 2 duo | 2 gray |
| 3 duo | 3 gray |
| 5 duo | 5 gray |
| 10 duo | 10 gray |
| 20 duo | 20 gray |
| 30 duo | 30 gray |
| 40 duo | 40 gray |
| 50 duo | 50 gray |
| 60 duo | 60 gray |
| 70 duo | 70 gray |
| 80 duo | 80 gray |
| 90 duo | 90 gray |
| 100 duo | 100 gray |
| 250 duo | 250 gray |
| 500 duo | 500 gray |
| 750 duo | 750 gray |
| 1000 duo | 1,000 gray |
| 10000 duo | 10,000 gray |
| 100000 duo | 100,000 gray |
规则