一旦用户通过小键盘上的四个按钮输入正确的个人身份证号码，缺损的数字才会显现出来，这样才能看到完整的卡号；而且这时信用卡的磁条也会被填入数据，磁条锁定便被解开可以在网上或者商店购物。

Once the correct PIN is entered on the card's four buttons, the missing digits are filled in and the card's magnetic strip is populated with data.

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一旦用户通过小键盘上的四个按钮输入正确的个人身份证号码，缺损的数字才会显现出来，这样才能看到完整的卡号；而且这时信用卡的磁条也会被填入数据，磁条锁定便被解开可以在网上或者商店购物。

Once the correct PIN is entered on the card's four buttons, the missing digits are filled in and the card's magnetic strip is populated with data.

youdao