鉴别器

例句：

1. 1. The classifier is used to sort objects based on their physical characteristics.
   鉴别器用于根据物体的物理特性进行分类。
2. 2. The analyzer is designed to identify and classify patterns in data.
   分析器旨在识别和分类数据中的模式。
3. 3. The classifier was developed to help people identify the correct answers in a multiple-choice test.
   鉴别器被开发出来，帮助人们在多项选择题中识别正确的答案。