IC card application system is replacing magneticbar code card. It is an advanced system because of its advantages and the application field is very extensive.
IC卡应用系统由于其自身的优势正逐步代替磁卡等应用系统，应用领域非常广泛。
2
The Meridian Digital Repeater indicates magnetic or true heading to 1/10th of a degree and rate of turn via a red LED bar graph.
子午线数字中继器通过一个红色LED条线图测量磁场或真是指向，误差仅为1/10度。
3
My 12 year old had a lesson in his science course later that day that mapped magnetic fields of a little bar magnet. He showed me the results.