????????2??????????20???????(?)???18??????????????25%????,?BBC??,??????????2?19???1???????????????????????,??????????,??“??????????”?
???,?,??????,??????
???????????????BBC????
??,???????1??,????(???????????????)
???????:?????
??????34?????????????
?????????????
????:???????????????????
????·??????·??????????
LG???IV??:???-??????-??
??????34?????????????
????????????????24657?
??:??????????????????
??????????:???????????
????·??????·??????????
???????:????????????
??????????????????????
???:??????????????????
????:?????????417.5??
????????2016??????1550???
?????:?????????F16??????
??????????????????????
?????????????2???
?????100?“??????”??????
??????????????????
??????????????????????
?????:2016????????????????…
2017???????????????????
??:?????????0.57%??????30%
?????????????????????