?????? ?? ?????
????????
????
????
??2???????????14??,?,??????????????3??,???????,????,??
???:?????????
????? ????????
????????????????????????
?????????“????”???????
???????????????:??????
??????????????500????80%?
????????????“???”???!
???????????:???????????
?????????????????????
????????????????????
?????????????????5????
?????????“????”???????
??:?????0.19%????????
????2016???54?PB??????????…
?????????:????????????
????????!7???????????
??????15??????????8???
70???????856?:??????????-?
?????11???????????
???????????????:??????
???:???????????????????
???:???????????????????
??????????????????????
????????????????????
45????????????????????
????2016???48.6???????4.3%
STX?????«???»?«??????»