parity control

例句：

1. 1. The company implemented a parity control system to ensure fairness in its operations.
   该公司实施了一个平等控制制度，以确保其运营的公平性。
2. 2.The new policy aims to achieve parity control in the field of education.
   新政策旨在教育领域实现平衡控制。
3. 3. The government has introduced a parity control mechanism to prevent income inequality.
   政府已经引入了一项平衡控制机制，以防止收入不平等。