In a PDF417 barcode where number of columns are fixed, how would I calculate the number of rows required for some text?
在一个PDF417条码的列数是固定的,我怎么会计算某些文本所需的行数?
In a PDF417 barcode where number of columns are fixed, how would I calculate the number of rows required for some text?
在一个PDF417条码的列数是固定的,我怎么会计算某些文本所需的行数?
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