pregroup

例句：

1. 2.
   在计算机科学中
2. 3.
   在数学中
3. 1. The software was preprocessed to remove any unnecessary data.
   软件被预处理以去除任何不必要的数据。
4. 2. In mathematics, the preprocessed form of a function is often used for simplification.
   在数学中，函数的预处理形式常用于简化。
5. 3. Before the meeting, the team had already preprocessed their presentation slides.
   会议前，团队已经预处理了他们的演示幻灯片。