12???????????30??,???????,????12????????(12??1??????????????28??????????????)????????????:?????,??????????,?????????4??;????,????????????

?,????????,12???,??????????????2.9?,???????????????????????1~4?;??????1~4??????????????,??????5.2???????,?52.5%???????,??4????????,??(????)

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

“????????????”????

?? ???????:12????????5.2?? ??????52.5%

????:1?????????????:??????95?98

2???????????

3???app????

4???????

5????????

12???????????30??,???????,????12????????(12??1??????????????28??????????????)????????????:?????,??????????,?????????4??;????,????????????

?,????????,12???,??????????????2.9?,???????????????????????1~4?;??????1~4??????????????,??????5.2???????,?52.5%???????,??4????????,??(????)

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