duplicated control

例句：

1. 1. The software engineers were tasked with replicating the existing controls to ensure consistency.
   软件工程师被分配了复制现有控制的任务，以确保一致性。
2. 2.The research team conducted a duplicated control study to compare the effectiveness of two different treatments.
   研究团队进行了一项重复控制研究，以比较两种不同治疗方法的有效性。
3. 3.The new system introduced a duplicated control mechanism to prevent unauthorized access.
   新系统引入了一个重复控制机制，以防止未经授权的访问。