![多个条形码符号在紫色背景上漂浮](http://m.czl106.com/library/media/header-banners/resources/symbologies-banner.jpg?h=285&w=1916&la=en-NZ&hash=26FD4115F258B2A4B13AE6D64DBB46EE)
The stacked linear barcode symbology features one or two types of 2-D barcodes. These consist of multiple linear barcodes that are layered on top of one another, allowing a greater amount of information to be encoded. However, to fully decode the data, a barcode reader must be able to simultaneously read the code both horizontally and vertically. The stacking of the codes makes barcodes more versatile and allows them to encode a larger amount of information within a smaller space than most other bar codes.
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