如今,在大多数商品上都印有条形码。而在国外,一些百货店和药店里出售的商品,如刮胡刀片、药片等包装上已附有针尖大小的计算机芯片和微型天线,这种微型天线能将极为丰富的产品及消费者信息发送到零售商和制造者手中。据专家预测,在今后二十年内,这种微型信号发射装置将取代大 Today, bar codes are printed on most products. In foreign countries, the sale of goods in department stores and pharmacies, such as razor blades, pills and other packaging has been accompanied by a tip-size computer chip and micro-antenna, this micro-antenna can be extremely rich product and consumer information sent To retailers and manufacturers. Experts predict that in the next two decades, such miniature signal transmitting devices will replace large ones