selective indicator dilution curve determination

例句：

1. 1. The restaurant offers a selection of dishes from around the world.
   这家餐厅提供来自世界各地的各种菜肴。
2. 2. She is selective in her choice of friends.
   她在朋友的选择上很挑剔。
3. 3. The company has a selective hiring policy.
   该公司有一个选择性的招聘政策。