aggregative fluidized bed

例句：

1. 1. The aggregative behavior of the group is often observed in social settings.
   这个群体的聚合行为在社交场合中经常被观察到。
2. 2.The aggregative process of mineral processing is crucial to the efficiency of the operation.
   矿物加工的聚合过程对于操作的效率至关重要。
3. 3.The aggregative nature of the data makes it difficult to analyze and interpret.
   数据的聚合性质使得分析和解释变得困难。