Figure 5 is based on a questionnaire survey of question 2 (RFID: 26%; QR code: 24%). It is clear that "the preferred reason for these two options, at most, accounts for up to 50% of the response rate, accounting for the Internet of Things in the young ethnic groups of the market is more extensive, but also indirectly proved that the popularity of the Internet of Things, is no longer a high-tech."
正在翻譯中..
