| Knowledge Item Name | optimal |
| Curve | Normal |
| Question/Answer | |
| Review Date | 2020/4/4 21:04:27 |
| Next Review Date | 2020/4/10 21:04:27 |
| Review Times | 4 |
| most favorable or desirable; best; optimum |
| Grade | Easy Factor | Review Date | Next Review Date | |
|---|---|---|---|---|
| 4 | 2.5 | 2020/4/4 21:04:27 | 2020/4/10 21:04:27 | |
| 4 | 2.5 | 2020/3/21 21:45:52 | 2020/3/22 21:45:52 |