Reader protocols and readers: For a track-and-trace solution, readers create the raw data by reading 2D barcodes or Radio Frequency Identification (RFID) tags or similar.
读取器协议和读取器：对于追踪和跟踪解决方案，读取器通过读取 20 个条形码或 Radio Frequency Identification (RFID) 标签或相似的东西，创建原始数据。