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。
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。
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。
The results of computer simulation for stripe-code recognition, as an example, are in fair agreement with the results of theoretical analysis.
最后，以条码识别为例进行了计算机模拟，所得结果与理论分析基本一致。
Experimental results show that the computer collimating method has high accuracy and good repetition, and can be used in the stripe precise inspection of code-bar invar grade rod.
实验证明，该视觉瞄准方法的准确度高、重复性好，适用于条码型水准标尺的分划检测。
Experimental results show that the computer collimating method has high accuracy and good repetition, and can be used in the stripe precise inspection of code-bar invar grade rod.
实验证明，该视觉瞄准方法的准确度高、重复性好，适用于条码型水准标尺的分划检测。
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