extrasample performance

例句：

1. 1. The extrasample performance of the new model is significantly better than its predecessor.
   新模型的额外样本性能明显优于其前身。
2. 2. The extrasample performance of this algorithm has been proven to be highly accurate.
   该算法的额外样本性能已被证明高度准确。
3. 3. The extrasample performance of the software is crucial for its effectiveness in real-world applications.
   软件的额外样本性能对于其在现实世界应用中的有效性至关重要。