symmetry sampling technique

例句：

1. 1. The symmetry sampling technique is used to ensure that the data collected from different sources are representative of the population as a whole.
   对称采样技术用于确保从不同来源收集的数据代表整个人群。
2. 2.In this study, we applied the symmetry sampling technique to analyze the relationship between income inequality and poverty levels in different regions.
   在本研究中，我们应用对称采样技术分析不同地区收入不平等与贫困水平之间的关系。
3. 3. The symmetry sampling technique was crucial in identifying the hidden patterns in thedata, which could have been overlooked otherwise.
   对称采样技术在识别数据中隐藏的模式方面至关重要，否则可能会被忽视。