quadrat sampling method

例句：

1. 1. Quadrat sampling is a common method used in geological surveys to collect samples from the ground.
   四分法抽样是地质调查中常用的一种从地面收集样本的方法。
2. 2. The quadrat sampling method was developed to ensure that all areas of interest were sampled evenly.
   四分法抽样方法是为了确保所有感兴趣区域都能均匀地被采样而发展起来的。
3. 3. In this study, we applied the quadrat sampling method to collect data from multiple sources.
   在这项研究中，我们应用了四分法抽样方法来收集来自多个来源的数据。