????? ?? ??????
??
(????????)??????:?????
(??)??????:????
???2????14???????????,???????,??????????2?7????,?????(??????????)??(????)????????
???:?????
?????????? ?
?????????“????”??????
??????????????????????
???????????:??????AI??
????????????5?????65?
?????????:????????????
3?13??????????????
????9.6????????????50%??
????????????????
?????????“????”??????
?????2???????????????
????“????”????192?
66??????????23?“????”
3??????PMI????0.5?????????…
?????????????
???????????????????
?????????????????????
???Williams??????????????
????????301?????92???
????????????????????
2017???????:????????????6.…
????????????
???????????2.5???23.4?
???!«???»????????????
?????????????????????
3??????PMI????0.5?????????…