zone position indicator

例句：

1. 1.The new system uses a zone position indicator to track the location of vehicles in real-time.
   新系统使用区域定位指示器实时追踪车辆的位置。
2. 2. The engineers used the zone position indicator to identify the faulty component.
   工程师们使用区域定位指示器来识别故障组件。
3. 3. The device's ability to detect and locate objects within a specific zone is crucial for its function.
   该设备检测和定位特定区域内物体的能力对其功能至关重要。