?? ??????????????? ???????????????
????:1???????:????vx
2??????????
3????????
4???????
5???9598????
?11????????????????22???????? (????)22????????,??,???????????“??”?????,????
???????????(?)????????,??????5?????????????????????,?????????“??+???????+????????”??“??????????????????????????+??????”???????????????????????????????????????????????“?”???
??,“???????????80-100????????????????,?200??????”?,?????????????????“??????????????”???????????????“??????????????????????”????????????????????
??,?????????????????2015?????????,?????2023????????,?????3.86????,??80%?????????2014??1-9?????,????????????23941???????????????,?200???“???+”??,???????,?,????????????????????????????(??????)
?????:???????????????