| System | Japanese → Chinese | |
| PPL ↓ | BLEU ↑ | |
| Baseline | 3.60 | 38.71 |
| Double | 3.40 | 39.43 |
| Aug | 3.41 | 39.48 |
| Double + Radical | 3.44 | 39.45 |
| Aug + Radical | 3.41 | 39.65 |