????????????????????1???????????8? ??8?????????????????????????????

1?????7??9?????,???????????6.8?,???????????,?????????,?????????????,?????????,?????,????

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

????:??? ??“???????app”????

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

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

2??????????

3?????80????

4?????

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

????????????????????1???????????8? ??8?????????????????????????????

1?????7??9?????,???????????6.8?,???????????,?????????,?????????????,?????????,?????,????

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

????:???