sampling instant

例句：

1. 1. The researchers used a sample instant to study the effects of caffeine on sleep.
   研究人员使用一个样本瞬间来研究咖啡因对睡眠的影响。
2. 2. During the sampling instant, the data was collected and analyzed.
   在采样瞬间，数据被收集和分析。
3. 3. The scientist observed the sample instant carefully to ensure accuracy.
   科学家仔细观察了采样瞬间，以确保准确性。