preindexing

例句：

1. 1.The company is implementing a new preindexing system to improve efficiency.
   该公司正在实施一个新的预索引系统以提高效率。
2. 2. Preindexing is a technique used in data mining to identify and remove redundant data.
   预索引是一种数据挖掘技术，用于识别并去除冗余数据。
3. 3.In the field of computer graphics, preindexing is crucial for rendering complex scenes efficiently.
   在计算机图形学领域，预索引对于高效渲染复杂场景至关重要。