On the back of the card, a 2d bar-code along with a regular one and a magnetic stripe triplicate all the information on the front.

在卡背面，2d条形码，普通码和磁条将所有信息三重储存在卡正面。

youdao

Sorry, there is something wrong with the magnetic stripe (bar code). It must be replaced. Please borrow it next time.

对不起，该书磁条(条码)有问题，须更换，请下次再借。

youdao

Experimental results show that this collimation measurement method has high accuracy and good repetition, and can be used in the stripe precise inspection of code-bar invar grade rod.

实验结果表明，该瞄准检测方法的准确度高、重复性好，可用于条码型铟瓦水准尺的分划精度检测。

youdao

Today they can handle 80 times more information than the most advanced magnetic-stripe plastic, which usually contain little more than a name, an account number and a secret ID code.

CNN: ASIANOW - Asiaweek