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

2??????????

3??????

4????????????

5?????????

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

?????1??????????????????????6??? (????? ????)??6??????,?????,????????????????????

?,?2050???????,???????????????????????????2019???????????????????????????????,??????????????????,??40%?

?????????,??490?????????????????????,???7000?????????(1??????2.4?????)???????????????????????????

????,??????????????30%??,????,???????????????

?????,??,????????????????????(?) ????:?????