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

2??????????

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

4???????

5?????????

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

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

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

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

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

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