The second part is to make references to the principle of the magnetic card reader existed, and to make the magnetic card and magnetic card detector, whichfocused on appliance in engineering fields.

第二部分参考现有的磁卡机刷卡原理，制作了工程实用的磁卡及磁卡信号拾取装置。

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The store's card reader failed to scan the card's magnetic strip.

这家商店的读卡器未能扫描到卡上的磁条。

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The store's card reader fails to scan the card's magnetic strip.

商店的读卡器没能成功的读取磁条。

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The best design for a mobile credit-card reader is to embed the encryption function into the actual magnetic stripe hardware.

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