Example: dots Check 3 the scratch-off ink coating along the edge of the hologram contains a unique, 20-digit code.

例子：小点检查3抓墨水涂层沿全息图的边缘包含独特，20数字代码。

youdao

Enter an 11-digit UPC bar code (or a full 12-digit code including the check digit) and MakeUPC will generate the bar code graphic for you.

输入一个11位数的UPC条码(或一个完整的12位代码，包括校验位)，它为您的图形生成条形码。

youdao

The random 18-digit code plus two check digits will have a four-digit prefix added and it will have intelligence in it.

FORBES: America's Attempted Domination Of LEI Slams into FSB Wall