2??20??,?,????????????????????????,?????????????,??????,???????????????????????????,???????????????????
(?? ???? ???????????????? ???????? ???? ??)
???????????:?????
??????????????????????
????????????:????????????
???:????????????????
?????????????15?????
??????????????2000?????
????3???????
??????????????????
ISM??????????????
???:????????????????
????????????????12?19?
“???”?“???”,?????????????
??????0.7%???0.8%
????????????????????
?????????????????????
????????????????:?????
?????????????????????
???????4???????????????
ISM??????????????
????????????????????
Android??Windows??????????…
??????0.7%???0.8%
????????????:????????????
????????10?50????????
?????????????15?????
?????????????????????