扫描器运用激光去读取电脑条码。
加纳的菠萝种植农正使用掌上电脑和条码技术来促进运输和增加作物产量。
Pineapple farmers in Ghana are using PDAs and bar coding technology to facilitate transport and increase crop yields.
加纳的菠萝种植农正使用掌上电脑和条码技术来促进运输和增加作物产量。
Pineapple farmers in Ghana are using PDAs and bar coding technology to facilitate transport and increase crop yields.
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