ring-down supervision

例句：

1. 1. Thecompany implemented a ring-down supervisionsystem to ensure compliance with regulations.
   该公司实施了环下监督系统，以确保遵守法规。
2. 2. The new policyrequires all employees to undergo ring-down supervision before starting theirwork shifts.
   新政策要求所有员工在开始工作班次前接受环下监督。
3. 3. The ring-down supervision processhas been improved to enhance efficiency and reduceerrors.
   环下监督流程已改进，以提高效率并减少错误。