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

2?????????

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

4?????????t???

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7??4?,??

??,6??,???????????21.0?,?0.7?,??????????????????????;??115.0????????????,???11.9%,??

??,6???????,?????????5.66???,????????5.34???????,???612%???157%???????????????????????????????????20~50%???,????????????????(2017-2023????????)??????????????????????????????1969?,????45.7%?(????????????????? ????? ??????????????)

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