disc type indicator

例句：

1. 1. The new software has adisc type indicator that shows the size ofthe files it can handle.
   这款新软件有一个盘型指示器，可以显示它能够处理的文件大小。
2. 2. The engineer used adisc type indicator to measure the distancebetween two points on the map.
   工程师使用盘型指示器测量了地图上两点之间的距离。
3. 3. The disc type indicator is essentialfor understanding how data is stored and accessedin a computer system.
   盘型指示器对于理解计算机系统中数据存储和访问方式至关重要。