mica target

例句：

1. 1. The mine's safety is strictly monitored by the mica target system.
   矿山的安全受到米卡靶标系统的严格监控。
2. 2.The mica target was used to detect the presence of radiation in the area.
   米卡靶标被用来检测该地区的辐射存在。
3. 3. The mica target was designed to prevent accidents caused by human error.
   米卡靶标被设计来防止由人为错误引起的事故。