sample statistic

例句：

1. 1. The engineer needs to sample the new product before it is released.
   工程师需要在产品发布前进行样品测试。
2. 2.The company sent a sample of their new perfume to a magazine for review.
   该公司向一家杂志寄送了他们的新香水样品以供评审。
3. 3. The scientist conducted a sample survey to gather data on the population's health habits.
   科学家进行了一项样本调查，以收集关于人口健康习惯的数据。