????:1??????????:???????

2?????????

3????????????

4??????95?

5????????

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2023??????????????,?:“2017??220?,???????????????,?71%???100%?”

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2022????????????????????10???????17???,????

2022???10????????????????????????17????????????,????,????

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

????????,??2002?,???,????????????????????????,?????????????????:“??????,??‘??’,?,????????????????,???????”

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?????,??“????????????????,?????????‘??????????’?????,??,???????”

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2014????5??,???????,???????,?????????C919?,??????????:“?,??,????????????”

????3????????,2017??5??5???,C919???,?;2023??5???28???????????????,C919??????????????????;2024?????2?,C919?,?????????????????,C919???????1200????,???

0.015??????????“?????”,?????????

2018????8??????8?????????????????,?????????????,?????

2020????????,??????,???????????????0.02?“??????????”????????????????????“???”,??????,??:“?????????????”

“???,???????????????,??????”?????????3??????,?0.015?????????????????????????

…………

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2015???????,????,????????????????,???????;

2022???,??2035???????,????????“????????????”,???????????????????;

2023????????????????????,?????????,????;

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2019??????11????????????22?,??????????,???????,???????????SR210??????,????????????????????

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