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

2???????????

3????????

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

5?????????????

??????

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

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

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

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

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