?? ???821? ???“?????????????”??????
????:1???2021???????:?????
2???????
3???????
4???????
5?????
????11???????????????29? (?????? ????????????)28????,?????????????,??????,??????821??????,3+1+N??????605????,???216?????,??“??+??????”????????????
????????????????????,???????????????????,??“??????”??????131?????,??“????”???????????,???,?????,??????????????“??”??“?”?
??????? ?????????,????,??????,????????????????????????????????50%?????????????????????,???????,????????????????????,????????????????????????
??????,???????????????????????“??????????????”???????????,??????????????????????????,??,?????????“??”?????????????????????,??,821????????????1083??????????
?????,??????????,???????????????????????????????28??????????,????????????????????2290???????,????????1??1???????,??“??”?“???????????”???????????
?????????????,?“3+1+N”????,?1??,?,????????????????????N??????????????????,????
?,??(???????)??,???????????????,???????????????????,?????????????????1.23???,?????????????23.71?????????65?????(???)
?????:????????