????:1????????:???????????

2?????

3???????????

4????????????

5?????????

?????????,???,?????????????NFC???????,???“?????”NFC(?????????)????,??????????????,??,????????,??,???

???,????????????????????????????,??????????????????,????????????????NFC?????

??,???????????????,“?????????????”????,??????????,????????????????????

(??????? ???????????????? ???????? ??????)

????????????:????