????:1?????:???????

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

3????92?95?

4??????????

5????app??????

???2?????5????? ???“??”5????,?3??????????????4??4??7.3??,?????9???

????????????,?????“??”?

?????????????????????????,???(??S)????????,????,??????,?????5???

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

?“???”???,??,1???????21?2???????????3????142?????????????,?????25?????????2?2?????,????????????65????????????46.3%,????????????????68.6%?

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