?12?????????????????????2? (? ?)??????2?????????,??,??????????????:??????????;??????

???????,???????????,???????????,??????????,1970?????10??,?????,??,?????????????????,???????

????????,?????,??????????????????2019??12??,?????(?)

???????:?? “????app???”????

?? ????????????

????:1?????app???:????????

2?????????

3????????

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

5???????????

?12?????????????????????2? (? ?)??????2?????????,??,??????????????:??????????;??????

???????,???????????,???????????,??????????,1970?????10??,?????,??,?????????????????,???????

????????,?????,??????????????????2019??12??,?????(?)

???????:??