| 语言术语 | 隶属函数 |
| 非常差 | (0, 0, 0.167) |
| 很差 | (0, 0.167, 0.333) |
| 较差 | (0.167, 0.333, 0.5) |
| 一般 | (0.333, 0.5, 0.667) |
| 较好 | (0.5, 0.667, 0.833) |
| 很好 | (0.667, 0.833, 1) |
| 非常好 | (0.833, 1, 1) |