water sampling

例句：

1. 1. Scientists need to collect samples from different locations for their experiments.
   科学家需要从不同的地方收集样本进行实验。
2. 2.The company is conducting a water sampling campaign to monitor the quality of its drinking water.
   该公司正在进行一项水质采样活动，以监测其饮用水的质量。
3. 3. The government has ordered a water sampling inspection in all major cities.
   政府已下令对所有主要城市进行水质采样检查。