2-d barcodes 二维条码
Another 2-d barcode format is PDF417, which in macro mode is able to split one large barcode into multiple smaller barcodes, but few non-specialist portable devices support this format.
另一个2 - d条形码格式是PDF417，在宏模式下，它能将一个大的条形码拆分成多个小的条形码，但只有极少数几个非专门的便携设备支持这种格式。
Analyzing such new barcodes as 2-d barcode, metallic barcodes, hidden barcodes, etc., the paper discusses the application of new barcodes in military logistics.
通过对二维条码、金属条码、隐形条码等新型条码技术的分析，探讨了新型条码在军事物流中的应用。
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