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

2??????????

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

4????????

5???400????

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

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

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

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

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