instruction counter

例句：

1. 1.The teacher used the instruction counter to help students understand the lesson better.
   老师使用指示器计数器帮助学生更好地理解课程内容。
2. 2.The engineer used the instruction counter to measure the temperature of the room.
   工程师使用指示器计数器测量房间的温度。
3. 3. The salesperson used the instruction counter to display the product information on the screen.
   销售人员使用指示器计数器在屏幕上显示产品信息。