selective catalytic reduction

例句：

1. 1.The new policy allows for selective enforcement of regulations.
   新政策允许有选择性地执行法规。
2. 2.The company is selective in its hiring practices.
   该公司在招聘方面有选择性。
3. 3. The research team conducted a selective analysis of the data.
   研究团队对数据进行了有选择性的分析。