????:1???24??????:Aa???????

2??????????

3???????

4?????

5???400?4?????qq?

6?24????????,???????????????????????????????,?????????????,????????????????????????,??????????????????,??????????????????????????????

??????????,?????????????????????,???????,??????????????????????????????????????

????,????????????,????

?????????

??????????“?????????????”?????????????

“???????,??????????????????????,???????,????”2017??????????????????????12???????????,???????

???????,?????,???“??????????????????”??????????????3??????,???????“??????????”????????????????????,???????????????????????????????

???,??????;????,??????????????????“????”?

??????????????????????,?????????,?0.015????,????????????“??”?

2017??????2020???????????????,???????,???“??,?????????????????????7???????????”????,????3??,?0.015???????????,??????????????????????????,??????

2023??????????????????7???????????????????????????????6??????????????????????,???????,???????,???“?????????”?????,??

?????????????????,????????,??????“?”????????

??????????

?????????????

?????????????……???????????,?????

??????C919??? (??? ????????????????)

????“???????????????”?????????????????????????“????????????”??????????,?????C919????????????????……?????????????????,??????

6?21?????????,“???????????”????????????????,“?,???,?70%+?”?20??,???“????????”?20???,?????????

??,?????????3?????????,??????????????????????

??,????,?????????????????,?“???????????????”?????????????????????

???????????????????,??2012?????????????????????34????????2023????12?,??????????

????????????

???“???????”??

2024??????????????????3??????5???,?:“???????????,???????????????”

5??,??,?,“????????,????????????????????????????????????,?????????????,?????????????”

?????????????????“??”?,????“????”?????,?????

??????????,????????????????????????????,?,???50%????????50.2%?

??,?????????,???

????????????????????????????,?“??”????????????“??????”?

???

?“???????”,????????“?????????”???????,??????6????

????,?????????????????????????????????????,???????????????????

?????????,????????????????,??????????????????,????????“????”????

???

????

???????11??,?????????“????”??????????,???«??????»,???????????????????????????,?????“?????”,??

???????????????????????????????10???

????????????20??????80?????????,????“??????”????????????????,??????????????????100??????????,?“???”“???????”?

??????????????,?????????,??????????,????????????????“????”????????“????”??????,?????????????????????

????,????????????????,“???”????

????/?????????????????+?? ???????? ????????????/???? ???????????????/??????? ??/????????????

??????:??