preselector

例句：

1. 1. The software uses a preselector to identify the most relevant documents for the user.
   该软件使用预选择器来识别用户最相关的文档。
2. 2.The preselector is designed to help users quickly find the information they need.
   预选择器旨在帮助用户快速找到他们需要的信息。
3. 3.During the selection process, the preselector helps to narrow down the options available to the user.
   在筛选过程中，预选择器帮助用户缩小可用选项的范围。