coarse-grained statistical operator

例句：

1. 1.The coarse-grained statistical operator is a powerful tool for analyzing large datasets.
   粗粒统计算子是一种强大的工具，用于分析大型数据集。
2. 2. In this study, we used the coarse-grained statistical operator to model the relationship between variables.
   在这项研究中，我们使用粗粒统计算子来建模变量之间的关系。
3. 3. The coarse-grained statistical operator was developed to improve the accuracy of data analysis.
   粗粒统计算子被开发出来，以提高数据分析的准确性。