2??12????????,???“????????”,??????“???????”,???12??21?????????????53????????,??????
??:??
??:??????????
??:???????????????????
???????????????????
????????????????????
???????????????:?????????
?????????????????????
??:????????????11?45?
?????????????????????
??:?????????????????
?????????????????????
?????????,??????????40??
???????!??????20???????
????3???????7.2%
Android??Windows??????????…
??????????????12???
???????!??????20???????
???:????????????????
???????4???????????????
????????????????????
?????????10?????10????
?????????????:????????
?????????????????7???
??????????????2000?????
????????????:???????
??????:B?????????????