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

2?????????

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

4?????????

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

????????

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

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

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

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

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