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

2?????????

3?????

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

5?????????

??????????10?14?? (???????? ????)?????????????????14??,?????????????????,??????

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

???????,9????????1.6%,???6???????,??????????????????

??????????????,9???????????????????,????????????????????,???,?????????????,????,??9??????????,9???

???,?????????,??????????????????????800???????????????,69%???(?????????) ?????:???????