2????????17?????,??????????????????????,?????????????????????????

?????????????????,??????????????,????,???????????????,????,?????????????????,?????????,???????????????

??????????,??3???????,?????????????,?????????

???,????????????????,??????,??????????,????????,???????????????????(????????? ????????????????? ?????? ???? ??)

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

“??????app???”????

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

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

2??????????

3??????

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

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

2????????17?????,??????????????????????,?????????????????????????

?????????????????,??????????????,????,???????????????,????,?????????????????,?????????,???????????????

??????????,??3???????,?????????????,?????????

???,????????????????,??????,??????????,????????,???????????????????(????????? ????????????????? ?????? ???? ??)

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