sample area

例句：

1. 1. The company is conducting a sample area survey to assess the quality of its products.
   该公司正在进行一个样本区域调查，以评估其产品的质量。
2. 2.During the testing phase, the engineers were required to sample areas for analysis.
   在测试阶段，工程师们被要求对区域进行取样分析。
3. 3. The research team conducted a sample area study to gather data on the local wildlife.
   研究团队进行了一个样本区域研究，以收集关于当地野生动物的数据。