??????????2???9?? (????????????????????????????? ???)9?,????“??”?????????????????????????????????24????????????????????????,???????????“????”,??????
????????????????
??????,??????????????;???,??;???,?;?????,??……???,“???,?????????????”
??????????????,?????????????????????,???????????????,???????,?????(??????????)
?????????:??????????????
???????????????????????
??-????Indy500??????????
?????????????????64?
????2016????2146??????????…
???????3????8????????
??????????????????5?
???1????????????????
????????????200???????
??????????????????????
??2??????2?1600?????2?
????????????????????
??:?????????????
??:4?27????????
????????????????????
PPI??5????????????
?????????????????????????
??????????????????5?
???7??????????????????
??????????????5???3???
??:??????????????????
???100?????????????0.01?
???1????????????????
??????????????????????
?????????????????????
??:???3???1???1????????