training sample

例句：

1. 1.The company uses training samples to improve its product quality.
   该公司使用训练样本来提高产品的质量。
2. 2.The engineer used training samples to design a new machine.
   工程师使用训练样本设计了一台新机器。
3. 3.The research team collected training samples from different regions of the country.
   研究团队从全国各地收集了训练样本。