| 实验组 | 测试集准确率 | 动态阈值 | 准确率变化 |
| 完整模型 | 95.21% | 0.7032 | - |
| 移除分段与对齐策略 | 89.65% | 0.6467 | −5.56% |
| 静态阈值策略 | 93.89% | 0.5000 | −1.32% |
| 单匹配策略(Top-1) | 90.40% | 0.6824 | −4.81% |