NFC设备内部发生电流感应，造成了影响交易的短时数据交换，比如从储蓄值中扣除某种费用。
The machine induces an electrical circuit in the NFC device, which allows a short exchange of data to effect a transaction, such as deducting a fare from the stored value.
近场通信是一种近距离、高频率无限技术，可以允许手机等设备和其它近场通信设备进行数据交换。
NFC is a short-range, high-frequency wireless technology which lets devices, primarily mobile phones, communicate with other NFC devices in order to exchange data.
波特率匹配问题已成为许多设备和微机之间实现快速数据交换的瓶颈。
Baud rate match is the bottleneck of realization of high speed data exchange between many instrument and computers.
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